/*
|--------------------------------------------------------------------------
| Smart Property AI
|--------------------------------------------------------------------------
| Main stylesheet for base.html and index.html
|--------------------------------------------------------------------------
*/


/* ==========================================================================
   1. Design variables
   ========================================================================== */

:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #dbeafe;

    --color-secondary: #0f766e;
    --color-secondary-dark: #115e59;
    --color-secondary-light: #ccfbf1;

    --color-accent: #f59e0b;
    --color-accent-dark: #d97706;

    --color-background: #f8fafc;
    --color-surface: #ffffff;
    --color-surface-soft: #f1f5f9;

    /* Stronger text colors */
    --color-heading: #000000;
    --color-text: #000000;
    --color-text-light: #1f2937;

    --color-border: #cbd5e1;

    --color-success: #15803d;
    --color-success-light: #dcfce7;

    --color-error: #b91c1c;
    --color-error-light: #fee2e2;

    --color-warning: #a16207;
    --color-warning-light: #fef3c7;

    --color-information: #1d4ed8;
    --color-information-light: #dbeafe;

    --color-dark: #0f172a;
    --color-dark-soft: #1e293b;
    --color-white: #ffffff;

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

    --font-size-base: 1rem;
    --line-height-base: 1.65;

    --container-width: 1200px;
    --header-height: 74px;

    --radius-small: 0.5rem;
    --radius-medium: 0.875rem;
    --radius-large: 1.25rem;
    --radius-pill: 999px;

    --shadow-small:
        0 1px 3px rgba(15, 23, 42, 0.08),
        0 1px 2px rgba(15, 23, 42, 0.05);

    --shadow-medium:
        0 10px 30px rgba(15, 23, 42, 0.1);

    --shadow-large:
        0 24px 60px rgba(15, 23, 42, 0.16);

    --transition-fast: 160ms ease;
    --transition-normal: 250ms ease;
}


/* ==========================================================================
   2. Reset and document defaults
   ========================================================================== */

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

html {
    scroll-behavior: smooth;
    font-size: 100%;
}

body {
    min-height: 100vh;
    margin: 0;
    overflow-x: hidden;
    background: var(--color-background);
    color: var(--color-text);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

body.navigation-open {
    overflow: hidden;
}

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

button,
input,
select,
textarea {
    margin: 0;
    color: inherit;
    font: inherit;
}

button,
select {
    cursor: pointer;
}

button {
    border: 0;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    text-underline-offset: 0.18em;
}

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

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

ul,
ol {
    padding-left: 1.4rem;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    margin-top: 0;
    color: var(--color-heading);
    font-weight: 750;
    line-height: 1.2;
    letter-spacing: -0.025em;
}

h1 {
    font-size: clamp(2.4rem, 6vw, 4.5rem);
}

h2 {
    font-size: clamp(1.9rem, 4vw, 3rem);
}

h3 {
    font-size: 1.25rem;
}

address {
    font-style: normal;
}

[hidden] {
    display: none !important;
}

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


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

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

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

:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 3px;
}

.accessibility-toolbar {
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    background: var(--color-dark);
    color: var(--color-white);
}

.accessibility-toolbar__inner {
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-top: 0.35rem;
    padding-bottom: 0.35rem;
}

.language-control {
    display: flex;
    align-items: center;
    gap: 0.55rem;
}

.language-control label {
    color: #e2e8f0;
    font-size: 0.875rem;
    font-weight: 700;
}

.language-control select {
    min-height: 34px;
    padding: 0.25rem 2rem 0.25rem 0.6rem;
    border: 1px solid #64748b;
    border-radius: 0.4rem;
    background: var(--color-dark-soft);
    color: var(--color-white);
}

.accessibility-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.accessibility-button {
    min-height: 34px;
    padding: 0.3rem 0.65rem;
    border: 1px solid #64748b;
    border-radius: 0.4rem;
    background: transparent;
    color: var(--color-white);
    font-size: 0.82rem;
    font-weight: 700;
    transition:
        background var(--transition-fast),
        border-color var(--transition-fast);
}

.accessibility-button:hover,
.accessibility-button[aria-pressed="true"] {
    border-color: var(--color-white);
    background: rgba(255, 255, 255, 0.14);
}

body.text-size-large {
    --font-size-base: 1.125rem;
}

body.text-size-extra-large {
    --font-size-base: 1.25rem;
}

body.high-contrast {
    --color-primary: #ffff00;
    --color-primary-dark: #ffffff;
    --color-primary-light: #111111;

    --color-secondary: #00ffff;
    --color-secondary-dark: #ffffff;
    --color-secondary-light: #111111;

    --color-background: #000000;
    --color-surface: #000000;
    --color-surface-soft: #111111;

    --color-heading: #ffffff;
    --color-text: #ffffff;
    --color-text-light: #f1f1f1;
    --color-border: #ffffff;

    --color-dark: #000000;
    --color-dark-soft: #111111;

    background: #000000;
    color: #ffffff;
}

body.high-contrast img {
    filter: contrast(1.15);
}

body.high-contrast .button--primary {
    border: 2px solid #ffff00;
    background: #ffff00;
    color: #000000;
}

body.high-contrast .feature-card,
body.high-contrast .pathway-card,
body.high-contrast .quick-search-card,
body.high-contrast .hero-assistant-card,
body.high-contrast .dashboard-preview {
    border: 2px solid #ffffff;
}


/* ==========================================================================
   4. Reusable layout
   ========================================================================== */

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

.section-label {
    margin-bottom: 0.75rem;
    color: var(--color-primary);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.section-heading {
    max-width: 730px;
    margin-bottom: 2.5rem;
}

.section-heading h2 {
    margin-bottom: 1rem;
}

.section-heading p:last-child {
    margin-bottom: 0;
    color: var(--color-text-light);
    font-size: 1.08rem;
}

.section-heading--center {
    margin-right: auto;
    margin-left: auto;
    text-align: center;
}

.card-grid {
    display: grid;
    gap: 1.4rem;
}

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

.card-icon {
    width: 3.25rem;
    height: 3.25rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.1rem;
    border-radius: 0.9rem;
    background: var(--color-primary-light);
    font-size: 1.55rem;
}

.check-list {
    margin: 1.5rem 0 2rem;
    padding: 0;
    list-style: none;
}

.check-list li {
    position: relative;
    margin-bottom: 0.8rem;
    padding-left: 1.8rem;
}

.check-list li::before {
    content: "✓";
    position: absolute;
    top: 0;
    left: 0;
    color: var(--color-secondary);
    font-weight: 900;
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    color: var(--color-primary);
    font-weight: 750;
    text-decoration: none;
}

.text-link:hover {
    gap: 0.7rem;
    color: var(--color-primary-dark);
}


/* ==========================================================================
   5. Buttons
   ========================================================================== */

.button {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.65rem 1.15rem;
    border: 2px solid transparent;
    border-radius: var(--radius-small);
    font-weight: 750;
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
    transition:
        transform var(--transition-fast),
        background var(--transition-fast),
        border-color var(--transition-fast),
        color var(--transition-fast),
        box-shadow var(--transition-fast);
}

.button:hover {
    transform: translateY(-1px);
    text-decoration: none;
}

.button:active {
    transform: translateY(0);
}

.button--primary {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 6px 18px rgba(37, 99, 235, 0.2);
}

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

.button--outline {
    border-color: var(--color-primary);
    background: transparent;
    color: var(--color-primary);
}

.button--outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.button--voice {
    border-color: var(--color-secondary);
    background: var(--color-secondary);
    color: var(--color-white);
}

.button--voice:hover,
.button--voice[aria-pressed="true"] {
    border-color: var(--color-secondary-dark);
    background: var(--color-secondary-dark);
    color: var(--color-white);
}

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

.button--light:hover {
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
}

.button--transparent {
    border-color: rgba(255, 255, 255, 0.8);
    background: transparent;
    color: var(--color-white);
}

.button--transparent:hover {
    border-color: var(--color-white);
    background: rgba(255, 255, 255, 0.12);
    color: var(--color-white);
}

.button--large {
    min-height: 52px;
    padding: 0.85rem 1.4rem;
}

.button--full {
    width: 100%;
}


/* ==========================================================================
   6. Header and navigation
   ========================================================================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(203, 213, 225, 0.75);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-small);
    backdrop-filter: blur(12px);
}

.site-header__inner {
    min-height: var(--header-height);
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.site-logo {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    color: #000000;
    font-size: 1.08rem;
    font-weight: 850;
    text-decoration: none;
}

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

.site-logo__icon {
    width: 2.5rem;
    height: 2.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.7rem;
    background: var(--color-primary);
    font-size: 1.25rem;
}

.primary-navigation {
    flex: 1;
}

.primary-navigation ul {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.2rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.primary-navigation a {
    display: block;
    padding: 0.6rem 0.72rem;
    border-radius: 0.45rem;
    color: #000000;
    font-size: 0.9rem;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
    transition:
        background var(--transition-fast),
        color var(--transition-fast);
}

.primary-navigation a:visited {
    color: #000000;
}

.primary-navigation a:hover,
.primary-navigation a:focus-visible,
.primary-navigation a[aria-current="page"] {
    background: var(--color-primary-light);
    color: #000000;
}

.authentication-control {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 0.7rem;
}

.current-user {
    max-width: 130px;
    overflow: hidden;
    color: #1f2937;
    font-size: 0.85rem;
    font-weight: 700;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.logout-form {
    margin: 0;
}

.navigation-toggle {
    width: 46px;
    height: 46px;
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    padding: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
    background: var(--color-surface);
}

.navigation-toggle span {
    width: 22px;
    height: 2px;
    display: block;
    border-radius: var(--radius-pill);
    background: #000000;
    transition:
        transform var(--transition-fast),
        opacity var(--transition-fast);
}

.navigation-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.navigation-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.navigation-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}


/* ==========================================================================
   7. Status messages
   ========================================================================== */

.site-message {
    padding: 0.85rem 0;
    border-bottom: 1px solid transparent;
    font-weight: 650;
}

.site-message--information {
    border-color: #93c5fd;
    background: var(--color-information-light);
    color: #1e3a8a;
}

.site-message--success {
    border-color: #86efac;
    background: var(--color-success-light);
    color: #14532d;
}

.site-message--error {
    border-color: #fca5a5;
    background: var(--color-error-light);
    color: #7f1d1d;
}


/* ==========================================================================
   8. Hero section
   ========================================================================== */

.hero-section {
    position: relative;
    overflow: hidden;
    padding: clamp(4rem, 9vw, 7rem) 0;
    background:
        radial-gradient(
            circle at 85% 15%,
            rgba(37, 99, 235, 0.18),
            transparent 28%
        ),
        radial-gradient(
            circle at 15% 85%,
            rgba(15, 118, 110, 0.14),
            transparent 30%
        ),
        linear-gradient(135deg, #f8fafc 0%, #eff6ff 100%);
}

.hero-section::before {
    content: "";
    position: absolute;
    top: -150px;
    right: -150px;
    width: 380px;
    height: 380px;
    border: 60px solid rgba(37, 99, 235, 0.06);
    border-radius: 50%;
    pointer-events: none;
}

.hero-section__grid {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(350px, 0.85fr);
    align-items: center;
    gap: clamp(2.5rem, 6vw, 5rem);
}

.hero-content h1 {
    max-width: 760px;
    margin-bottom: 1.4rem;
}

.hero-description {
    max-width: 680px;
    margin-bottom: 2rem;
    color: var(--color-text-light);
    font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.hero-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.voice-status {
    min-height: 1.5rem;
    margin: 1rem 0 0;
    color: var(--color-heading);
    font-size: 0.9rem;
}

.hero-assistant-card {
    overflow: hidden;
    border: 1px solid rgba(203, 213, 225, 0.9);
    border-radius: var(--radius-large);
    background: var(--color-surface);
    box-shadow: var(--shadow-large);
}

.assistant-card__header {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 1.1rem 1.3rem;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-dark);
}

.assistant-card__header h2 {
    margin: 0;
    color: var(--color-white);
    font-size: 1rem;
    letter-spacing: normal;
}

.assistant-status {
    width: 0.65rem;
    height: 0.65rem;
    border-radius: 50%;
    background: #22c55e;
    box-shadow: 0 0 0 5px rgba(34, 197, 94, 0.15);
}

.assistant-conversation {
    min-height: 330px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1.3rem;
    background:
        linear-gradient(
            180deg,
            var(--color-surface-soft),
            var(--color-surface)
        );
}

.assistant-message {
    max-width: 86%;
    padding: 0.8rem 1rem;
    border-radius: 1rem;
}

.assistant-message p {
    margin: 0;
}

.assistant-message--ai {
    align-self: flex-start;
    border-bottom-left-radius: 0.25rem;
    background: var(--color-primary-light);
    color: #1e3a8a;
}

.assistant-message--user {
    align-self: flex-end;
    border-bottom-right-radius: 0.25rem;
    background: var(--color-dark-soft);
    color: var(--color-white);
}

.message-author {
    display: block;
    margin-bottom: 0.25rem;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.hero-assistant-card > .button {
    border-radius: 0;
}


/* ==========================================================================
   9. Property search form
   ========================================================================== */

.quick-search-section {
    position: relative;
    z-index: 10;
    margin-top: -2.4rem;
    padding-bottom: 5rem;
}

.quick-search-card {
    padding: clamp(1.5rem, 4vw, 2.4rem);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-large);
    background: var(--color-surface);
    box-shadow: var(--shadow-medium);
}

.quick-search-card .section-heading {
    margin-bottom: 1.5rem;
}

.property-search-form {
    display: grid;
    grid-template-columns:
        minmax(180px, 1.4fr)
        repeat(3, minmax(145px, 1fr));
    align-items: end;
    gap: 1rem;
}

.form-group {
    min-width: 0;
}

.form-group label {
    display: inline-block;
    margin-bottom: 0.45rem;
    color: var(--color-heading);
    font-size: 0.9rem;
    font-weight: 750;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    min-height: 48px;
    padding: 0.7rem 0.85rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
    background: var(--color-surface);
    color: var(--color-heading);
    transition:
        border-color var(--transition-fast),
        box-shadow var(--transition-fast);
}

.form-group textarea {
    min-height: 130px;
    resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #64748b;
    opacity: 1;
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
    border-color: #64748b;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
    outline: 0;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.14);
}

.form-group--submit .button {
    min-height: 48px;
}


/* ==========================================================================
   10. User pathways
   ========================================================================== */

.pathways-section {
    padding: 5rem 0;
    background: var(--color-surface);
}

.pathway-card {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    padding: 1.7rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-large);
    background: var(--color-surface);
    box-shadow: var(--shadow-small);
    transition:
        transform var(--transition-normal),
        border-color var(--transition-normal),
        box-shadow var(--transition-normal);
}

.pathway-card:hover {
    transform: translateY(-5px);
    border-color: #93c5fd;
    box-shadow: var(--shadow-medium);
}

.pathway-card h3 {
    margin-bottom: 0.7rem;
}

.pathway-card p {
    flex: 1;
    color: var(--color-text-light);
}

.pathway-card .text-link {
    margin-top: 0.6rem;
}


/* ==========================================================================
   11. Features
   ========================================================================== */

.features-section {
    padding: 6rem 0;
    background: var(--color-surface-soft);
}

.feature-card {
    padding: 1.6rem;
    border: 1px solid rgba(203, 213, 225, 0.85);
    border-radius: var(--radius-medium);
    background: var(--color-surface);
    box-shadow: var(--shadow-small);
    transition:
        transform var(--transition-normal),
        box-shadow var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.feature-card h3 {
    margin-bottom: 0.65rem;
}

.feature-card p {
    margin-bottom: 0;
    color: var(--color-text-light);
}


/* ==========================================================================
   12. Automation and dashboard preview
   ========================================================================== */

.automation-section {
    padding: 6rem 0;
    background: var(--color-surface);
}

.automation-section__grid {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
    align-items: center;
    gap: clamp(2.5rem, 7vw, 6rem);
}

.automation-content h2 {
    margin-bottom: 1rem;
}

.automation-content > p:not(.section-label) {
    color: var(--color-text-light);
    font-size: 1.05rem;
}

.dashboard-preview {
    padding: 1.4rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-large);
    background: var(--color-dark);
    box-shadow: var(--shadow-large);
}

.dashboard-preview__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.2rem;
}

.dashboard-preview__header h3 {
    margin: 0;
    color: var(--color-white);
}

.dashboard-preview__header span {
    color: #cbd5e1;
    font-size: 0.78rem;
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.metric-card {
    min-height: 155px;
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding: 1.2rem;
    border: 1px solid #475569;
    border-radius: var(--radius-medium);
    background: var(--color-dark-soft);
}

.metric-label {
    margin-bottom: 0.5rem;
    color: #e2e8f0;
    font-size: 0.85rem;
}

.metric-value {
    display: block;
    margin-bottom: 0.45rem;
    color: var(--color-white);
    font-size: 2rem;
    line-height: 1;
}

.metric-change,
.metric-description {
    color: #cbd5e1;
    font-size: 0.78rem;
}

.metric-change--positive {
    color: #86efac;
}


/* ==========================================================================
   13. Accessibility feature section
   ========================================================================== */

.accessibility-section {
    padding: 6rem 0;
    background:
        linear-gradient(
            135deg,
            var(--color-primary-light),
            var(--color-secondary-light)
        );
}

.accessibility-section__grid {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(2.5rem, 7vw, 6rem);
}

.accessibility-section__grid > div:first-child p:last-child {
    color: var(--color-text-light);
    font-size: 1.08rem;
}

.accessibility-feature-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.accessibility-feature-list article {
    padding: 1.25rem;
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-medium);
    background: rgba(255, 255, 255, 0.7);
    box-shadow: var(--shadow-small);
    backdrop-filter: blur(10px);
}

.accessibility-feature-list h3 {
    margin-bottom: 0.45rem;
    font-size: 1.05rem;
}

.accessibility-feature-list p {
    margin-bottom: 0;
    color: var(--color-text-light);
    font-size: 0.92rem;
}


/* ==========================================================================
   14. Privacy and trust section
   ========================================================================== */

.trust-section {
    padding: 6rem 0;
    background: var(--color-dark);
}

.trust-section__grid {
    display: grid;
    grid-template-columns: 160px minmax(0, 1fr);
    align-items: start;
    gap: 3rem;
}

.trust-icon {
    width: 150px;
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #334155;
    border-radius: 2rem;
    background:
        linear-gradient(
            135deg,
            var(--color-dark-soft),
            #0f3460
        );
    font-size: 4.2rem;
    box-shadow: var(--shadow-large);
}

.trust-content {
    max-width: 850px;
}

.trust-content h2 {
    color: var(--color-white);
}

.trust-content > p:not(.section-label) {
    color: #e2e8f0;
    font-size: 1.08rem;
}

.trust-content .check-list {
    color: #f1f5f9;
}

.trust-content .check-list li::before {
    color: #5eead4;
}

.trust-links {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.trust-section .button--outline {
    border-color: #93c5fd;
    color: #dbeafe;
}

.trust-section .button--outline:hover {
    background: #bfdbfe;
    color: #172554;
}

.trust-section .text-link {
    color: #bfdbfe;
}

.trust-section .text-link:hover {
    color: var(--color-white);
}


/* ==========================================================================
   15. Call-to-action section
   ========================================================================== */

.cta-section {
    padding: 5rem 0;
    background:
        radial-gradient(
            circle at top right,
            rgba(255, 255, 255, 0.14),
            transparent 35%
        ),
        linear-gradient(
            135deg,
            var(--color-primary-dark),
            var(--color-secondary-dark)
        );
    color: var(--color-white);
}

.cta-section__content {
    max-width: 820px;
    text-align: center;
}

.cta-section h2 {
    margin-bottom: 1rem;
    color: var(--color-white);
}

.cta-section p {
    margin-bottom: 2rem;
    color: #eff6ff;
    font-size: 1.1rem;
}

.cta-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.8rem;
}


/* ==========================================================================
   16. Floating assistant launcher
   ========================================================================== */

.assistant-launcher {
    position: fixed;
    left: 30px;
    right: auto;
    bottom: 0.5rem;
    z-index: 900;

    min-height: 30px;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    gap: 0.5rem;

    padding: 0.75rem 1rem;

    border: 2px solid var(--color-white);
    border-radius: var(--radius-pill);

    background: var(--color-primary);
    color: var(--color-white);

    font-weight: 600;
    text-decoration: none;

    box-shadow: var(--shadow-large);

    transition:
        transform var(--transition-fast),
        background var(--transition-fast);
}

.assistant-launcher:hover {
    transform: translateY(-3px);
    background: var(--color-primary-dark);
    color: var(--color-white);
}


/* ==========================================================================
   17. Footer
   ========================================================================== */

.site-footer {
    background: #020617;
    color: #e2e8f0;
}

.site-footer__grid {
    display: grid;
    grid-template-columns: 1.4fr repeat(3, minmax(150px, 1fr));
    gap: 2.5rem;
    padding-top: 4rem;
    padding-bottom: 3rem;
    margin-bottom: 2rem;
}

.footer-heading {
    margin-bottom: 1rem;
    color: var(--color-white);
    font-size: 1.05rem;
    letter-spacing: normal;
}

.footer-column p {
    color: #cbd5e1;
}

.footer-links {
    margin: 0;
    padding: 0;
    list-style: none;
}

.footer-links li + li {
    margin-top: 0.6rem;
}

.footer-links a {
    color: #e2e8f0;
    text-decoration: none;
}

.footer-links a:hover {
    color: var(--color-white);
    text-decoration: none;
}

.site-footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    padding-top: 1.2rem;
    padding-bottom: 5rem;
    border-top: 1px solid #1e293b;
}

.site-footer__bottom p {
    margin: 0;
    color: #cbd5e1;
    font-size: 0.8rem;
}

.site-footer__bottom p:last-child {
    max-width: 520px;
    text-align: right;
}

.noscript-warning {
    padding: 1rem;
    background: var(--color-warning-light);
    color: #713f12;
    font-weight: 700;
    text-align: center;
}


/* ==========================================================================
   18. Legal pages
   ========================================================================== */

.legal-page {
    padding: clamp(3rem, 8vw, 6rem) 0;
    background: var(--color-background);
}

.legal-container {
    width: min(calc(100% - 2rem), 900px);
    margin-inline: auto;
}

.legal-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.legal-header h1 {
    margin-bottom: 0.75rem;
    font-size: clamp(2.2rem, 5vw, 3.5rem);
}

.legal-header p {
    margin-bottom: 0;
    color: var(--color-text-light);
    font-size: 1.08rem;
}

.legal-content {
    padding: clamp(1.5rem, 5vw, 3rem);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-large);
    background: var(--color-surface);
    box-shadow: var(--shadow-small);
}

.legal-content section + section {
    margin-top: 2.5rem;
}

.legal-content h2 {
    margin-bottom: 0.85rem;
    font-size: 1.4rem;
    letter-spacing: -0.015em;
}

.legal-content p,
.legal-content li,
.legal-content address {
    color: var(--color-text);
}

.legal-content address {
    padding: 1rem;
    border-left: 4px solid var(--color-primary);
    background: var(--color-surface-soft);
}

.legal-content li + li {
    margin-top: 0.45rem;
}

.legal-updated {
    margin-top: 3rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
    color: var(--color-heading) !important;
    font-size: 0.86rem;
}


/* ==========================================================================
   19. Common authentication-page support
   ========================================================================== */

.auth-page {
    min-height: 70vh;
    display: grid;
    place-items: center;
    padding: 4rem 1rem;
    background:
        radial-gradient(
            circle at top right,
            rgba(37, 99, 235, 0.14),
            transparent 30%
        ),
        var(--color-background);
}

.auth-container {
    width: min(100%, 500px);
}

.auth-card {
    padding: clamp(1.5rem, 5vw, 2.5rem);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-large);
    background: var(--color-surface);
    box-shadow: var(--shadow-medium);
}

.auth-card h1 {
    margin-bottom: 0.6rem;
    font-size: 2rem;
}

.auth-card > p {
    margin-bottom: 1.8rem;
    color: var(--color-heading);
}

.auth-form {
    display: grid;
    gap: 1rem;
}

.form-help {
    margin-top: 0.3rem;
    color: var(--color-heading);
    font-size: 0.8rem;
}

.form-error {
    margin-top: 0.3rem;
    color: var(--color-error);
    font-size: 0.82rem;
    font-weight: 700;
}

.auth-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    font-size: 0.88rem;
}

.checkbox-control {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}

.checkbox-control input {
    width: 1rem;
    height: 1rem;
}

.auth-footer {
    margin-top: 1.5rem;
    text-align: center;
}


/* ==========================================================================
   20. Utility classes
   ========================================================================== */

.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
    padding: 0 !important;
    margin: -1px !important;
    border: 0 !important;
    white-space: nowrap !important;
    clip: rect(0, 0, 0, 0) !important;
    clip-path: inset(50%) !important;
}

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

.text-success {
    color: var(--color-success);
}

.text-error {
    color: var(--color-error);
}

.text-muted {
    color: #374151;
}

.margin-top-small {
    margin-top: 1rem;
}

.margin-top-medium {
    margin-top: 2rem;
}

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


/* ==========================================================================
   21. Tablet responsiveness
   ========================================================================== */

@media (max-width: 1050px) {

    .navigation-toggle {
        order: 2;
        display: flex;
        margin-left: auto;
    }

    .authentication-control {
        order: 3;
    }

    .primary-navigation {
        position: absolute;
        top: 100%;
        right: 0;
        left: 0;

        display: none;

        padding: 1rem;

        border-top: 1px solid var(--color-border);
        border-bottom: 1px solid var(--color-border);

        background: var(--color-surface);

        box-shadow: var(--shadow-medium);
    }

    .primary-navigation.is-open {
        display: block;
    }

    .primary-navigation ul {
        align-items: stretch;
        flex-direction: column;

        width: min(100%, var(--container-width));

        margin-inline: auto;
    }

    .primary-navigation a {
        padding: 0.85rem 1rem;
        background: var(--color-surface);
        color: #000000;
    }

    .primary-navigation a:hover,
    .primary-navigation a:focus-visible,
    .primary-navigation a[aria-current="page"] {
        background: var(--color-primary-light);
        color: #000000;
    }

    .hero-section__grid {
        grid-template-columns: 1fr 380px;
        gap: 2.5rem;
    }

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

    .automation-section__grid {
        grid-template-columns: 1fr 1fr;
        gap: 2.5rem;
    }

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


/* ==========================================================================
   22. Small tablet responsiveness
   ========================================================================== */

@media (max-width: 820px) {

    .accessibility-toolbar__inner {
        align-items: flex-start;
        flex-direction: column;
        padding-top: 0.65rem;
        padding-bottom: 0.65rem;
    }

    .site-header__inner {
        flex-wrap: wrap;
        padding-top: 0.65rem;
        padding-bottom: 0.65rem;
    }

    .site-logo {
        margin-right: auto;
    }

    .authentication-control {
        width: 100%;
        justify-content: space-between;
        padding-top: 0.65rem;
        border-top: 1px solid var(--color-border);
    }

    .authentication-control .button,
    .logout-form {
        min-width: 110px;
    }

    .logout-form .button {
        width: 100%;
    }

    .current-user {
        max-width: 60%;
    }

    .primary-navigation {
        top: 74px;
    }

    .hero-section {
        padding-top: 4rem;
        padding-bottom: 5rem;
    }

    .hero-section__grid,
    .automation-section__grid,
    .accessibility-section__grid {
        grid-template-columns: 1fr;
    }

    .hero-assistant-card {
        width: min(100%, 560px);
        margin-inline: auto;
    }

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

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

    .trust-icon {
        width: 110px;
        height: 110px;
        font-size: 3rem;
    }
}


/* ==========================================================================
   23. Mobile responsiveness
   ========================================================================== */

@media (max-width: 600px) {

    :root {
        --header-height: auto;
    }

    .container {
        width: min(calc(100% - 1.25rem), var(--container-width));
    }

    .accessibility-actions {
        width: 100%;
    }

    .accessibility-button {
        flex: 1;
    }

    .language-control {
        width: 100%;
        justify-content: space-between;
    }

    .language-control select {
        flex: 1;
        max-width: 220px;
    }

    .site-logo__text {
        font-size: 0.95rem;
    }

    .navigation-toggle {
        width: 42px;
        height: 42px;
    }

    .primary-navigation {
        top: 67px;
    }

    .hero-section {
        padding-top: 3rem;
    }

    .hero-content h1 {
        font-size: clamp(2.3rem, 12vw, 3.4rem);
    }

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

    .assistant-conversation {
        min-height: 280px;
    }

    .quick-search-section {
        margin-top: -1.5rem;
        padding-bottom: 3.5rem;
    }

    .property-search-form,
    .card-grid--three,
    .metric-grid,
    .accessibility-feature-list,
    .site-footer__grid {
        grid-template-columns: 1fr;
    }

    .pathways-section,
    .features-section,
    .automation-section,
    .accessibility-section,
    .trust-section {
        padding: 4rem 0;
    }

    .metric-card {
        min-height: 130px;
    }

    .trust-icon {
        margin-inline: auto;
    }

    .trust-content {
        text-align: left;
    }

    .trust-links,
    .trust-links .button {
        width: 100%;
    }

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

    .assistant-launcher {
        left: auto;
        right: 0.75rem;
        bottom: 0.75rem;

        width: 54px;
        height: 54px;

        padding: 0;
    }

    .assistant-launcher__text {
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
    }

    .site-footer__grid {
        gap: 2rem;
    }

    .site-footer__bottom {
        align-items: flex-start;
        flex-direction: column;
        padding-bottom: 5rem;
    }

    .site-footer__bottom p:last-child {
        text-align: left;
    }

    .legal-content {
        padding: 1.25rem;
    }

    .auth-options {
        align-items: flex-start;
        flex-direction: column;
    }
}


/* ==========================================================================
   24. Reduced-motion support
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {

    html {
        scroll-behavior: auto;
    }

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


/* ==========================================================================
   25. Print styles
   ========================================================================== */

@media print {

    .accessibility-toolbar,
    .site-header,
    .assistant-launcher,
    .site-footer,
    .hero-actions,
    .cta-section,
    .button {
        display: none !important;
    }

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

    .hero-section,
    .features-section,
    .automation-section,
    .accessibility-section,
    .trust-section,
    .legal-page {
        padding: 1rem 0;
        background: #ffffff;
        color: #000000;
    }

    h1,
    h2,
    h3,
    .trust-content h2 {
        color: #000000;
    }

    .trust-content > p:not(.section-label),
    .trust-content .check-list {
        color: #000000;
    }

    .hero-section__grid,
    .automation-section__grid,
    .accessibility-section__grid,
    .trust-section__grid {
        display: block;
    }

    .hero-assistant-card,
    .dashboard-preview,
    .trust-icon {
        display: none;
    }

    a {
        color: #000000;
        text-decoration: none;
    }

    .legal-content {
        padding: 0;
        border: 0;
        box-shadow: none;
    }
}


/* ==========================================================================
   26. Additional navigation protection
   ========================================================================== */

#primary-navigation a {
    color: #000000;
    text-decoration: none;
}

#primary-navigation a:visited {
    color: #000000;
}

#primary-navigation a:hover,
#primary-navigation a:focus,
#primary-navigation a[aria-current="page"] {
    color: #000000;
}


/* ==========================================================================
   27. Glass effect
   ========================================================================== */

.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-medium);
}


/* ==========================================================================
   28. Global text visibility protection
   ========================================================================== */

/*
 * Normal content uses the strong text variables.
 * Dark sections retain their own explicit light text colors.
 */

main {
    color: var(--color-text);
}

.section-heading p:last-child,
.hero-description,
.pathway-card p,
.feature-card p,
.automation-content > p:not(.section-label),
.accessibility-section__grid > div:first-child p:last-child,
.accessibility-feature-list p,
.legal-header p {
    color: var(--color-text-light);
}


/* ==========================================================================
   29. Final link styling
   ========================================================================== */

a,
a:hover,
a:focus,
a:active,
a:visited {
    text-decoration: none;
}