:root {
    --bg-primary: #0b1220;
    --bg-secondary: #111827;
    --surface: rgba(17, 24, 39, 0.72);
    --surface-hover: rgba(30, 41, 59, 0.82);
    --text-primary: #f8fafc;
    --text-secondary: #9aa4b2;
    --accent: #f5b335;
    --border: rgba(255, 255, 255, 0.1);
    --radius: 14px;
    --content-width: 1160px;
    color-scheme: dark;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    scroll-behavior: smooth;
}

* {
    box-sizing: border-box;
}

body {
    min-width: 320px;
    margin: 0;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: inherit;
    line-height: 1.6;
}

button,
input {
    font: inherit;
}

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

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

button:focus-visible,
a:focus-visible,
input:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    border-bottom: 1px solid var(--border);
    background: rgba(11, 18, 32, 0.9);
    backdrop-filter: blur(16px);
}

.nav-shell {
    width: min(var(--content-width), calc(100% - 48px));
    min-height: 76px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.brand {
    flex: 0 0 auto;
    font-size: 23px;
    font-weight: 700;
    letter-spacing: -0.04em;
}

.brand span,
.footer-brand span {
    color: var(--accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: clamp(18px, 2.4vw, 34px);
    margin-left: auto;
    color: var(--text-secondary);
    font-size: 14px;
}

.nav-links a,
.footer-links a {
    transition: color 160ms ease;
}

.nav-links a:hover,
.footer-links a:hover {
    color: var(--text-primary);
}

.nav-side {
    display: flex;
    align-items: center;
    gap: 18px;
}

.live-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    color: var(--text-secondary);
    font-size: 11px;
    line-height: 1.45;
    white-space: nowrap;
}

.nav-cta,
.button-primary,
.button-secondary,
.search button {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 18px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 650;
    transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease;
    cursor: pointer;
}

.nav-cta,
.button-primary {
    background: var(--accent);
    color: #17130b;
}

.nav-cta:hover,
.button-primary:hover,
.search .ask-button:hover {
    background: #ffc956;
    transform: translateY(-1px);
}

.button-secondary {
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(17, 24, 39, 0.3);
    color: var(--text-primary);
}

.button-secondary:hover {
    border-color: rgba(255, 255, 255, 0.38);
    background: var(--surface-hover);
    transform: translateY(-1px);
}

.hero {
    min-height: 510px;
    display: flex;
    align-items: center;
    background:
        linear-gradient(90deg, rgba(11, 18, 32, 0.82) 0%, rgba(11, 18, 32, 0.55) 52%, rgba(11, 18, 32, 0.2) 100%),
        linear-gradient(0deg, rgba(11, 18, 32, 0.48), transparent 65%),
        url("/static/DUBAI%20CITY%20PHOTO.jpg") center 48% / cover no-repeat;
}

.hero-content {
    width: min(var(--content-width), calc(100% - 48px));
    margin: 0 auto;
    padding: 76px 0 100px;
    animation: rise-in 600ms ease-out both;
}

.eyebrow {
    margin: 0 0 16px;
    color: var(--accent);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.hero h1 {
    max-width: 700px;
    margin: 0;
    font-size: clamp(48px, 5.2vw, 64px);
    font-weight: 600;
    line-height: 1.08;
    letter-spacing: -0.045em;
}

.hero-copy {
    max-width: 550px;
    margin: 20px 0 28px;
    color: rgba(248, 250, 252, 0.82);
    font-size: 18px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.chat-section {
    position: relative;
    z-index: 2;
    width: min(1000px, calc(100% - 48px));
    margin: -64px auto 0;
    scroll-margin-top: 100px;
}

.assistant {
    height: clamp(560px, 72vh, 760px);
    min-height: 500px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: 22px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: rgba(15, 20, 30, 0.82);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
    backdrop-filter: blur(16px);
}

.assistant-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 14px;
}

.assistant-title {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    font-size: 16px;
    font-weight: 650;
}

.assistant-header .new-chat-button {
    min-height: 38px;
    flex: 0 0 auto;
    padding: 0 13px;
    border: 1px solid var(--border);
    border-radius: 11px;
    background: transparent;
    color: var(--text-primary);
    font-size: 12px;
    cursor: pointer;
}

.assistant-header .new-chat-button:hover {
    background: var(--surface-hover);
}

.ai-dot {
    width: 8px;
    height: 8px;
    flex: 0 0 auto;
    border-radius: 50%;
    background: #72d7a5;
    box-shadow: 0 0 0 4px rgba(114, 215, 165, 0.1);
}

.assistant-caption {
    margin-left: auto;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 400;
}

.suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border);
}

.suggestion {
    min-height: 34px;
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.035);
    color: #d4dbe5;
    font-size: 12px;
    cursor: pointer;
    transition: background-color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.suggestion:hover {
    transform: translateY(-1px);
    border-color: rgba(245, 179, 53, 0.45);
    background: rgba(245, 179, 53, 0.08);
}

#answer {
    min-height: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
    overflow: auto;
    margin-top: 14px;
    padding: 12px 8px;
    color: var(--text-primary);
    line-height: 1.7;
    overscroll-behavior: contain;
    scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
}

#answer {
    position: relative;
}

.empty-state {
    min-height: 100%;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px 8px;
    text-align: center;
}

.empty-state[hidden] {
    display: none;
}

.empty-state-mark {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    margin-bottom: 15px;
    border: 1px solid rgba(245, 179, 53, 0.3);
    border-radius: 14px;
    color: var(--accent);
    font-size: 22px;
    font-weight: 650;
}

.empty-state h2 {
    margin: 0;
    color: var(--text-primary);
    font-size: clamp(20px, 3vw, 25px);
    font-weight: 550;
    letter-spacing: -0.02em;
}

.empty-state > p {
    margin: 7px 0 20px;
    color: var(--text-secondary);
    font-size: 14px;
}

.empty-suggestions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    max-width: 700px;
}

.empty-suggestion {
    min-height: 36px;
    padding: 7px 12px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.035);
    color: #d4dbe5;
    font-size: 12px;
    cursor: pointer;
    transition: border-color 160ms ease, background-color 160ms ease;
}

.empty-suggestion:hover {
    border-color: rgba(245, 179, 53, 0.4);
    background: rgba(245, 179, 53, 0.08);
}

#messages {
    min-height: 100%;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

#messages:empty {
    display: none;
}

.chat-message {
    max-width: 86%;
    padding: 12px 16px;
    overflow-wrap: anywhere;
    border-radius: 14px;
}

.user-message {
    align-self: flex-end;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: #1b2b40;
    color: var(--text-primary);
    white-space: pre-wrap;
}

.zen-message {
    align-self: flex-start;
    border-left: 3px solid rgba(245, 179, 53, 0.7);
    background: rgba(255, 255, 255, 0.045);
    color: #e6edf3;
}

.zen-message h1,
.zen-message h2,
.zen-message h3,
.zen-message h4,
.zen-message h5,
.zen-message h6,
.zen-message strong {
    color: var(--text-primary);
}

.zen-message h1,
.zen-message h2,
.zen-message h3 {
    margin: 0.8em 0 0.35em;
    line-height: 1.3;
}

.zen-message p:first-child,
.zen-message h1:first-child,
.zen-message h2:first-child,
.zen-message h3:first-child {
    margin-top: 0;
}

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

.zen-message a {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.zen-message .real-estate-handoff {
    display: inline-flex;
    align-items: center;
    min-height: 38px;
    margin-top: 16px;
    padding: 8px 14px;
    border: 1px solid rgba(245, 179, 53, 0.45);
    border-radius: 10px;
    background: rgba(245, 179, 53, 0.1);
    color: var(--accent);
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
}

.zen-message .real-estate-handoff:hover {
    background: rgba(245, 179, 53, 0.16);
    text-decoration: none;
}

.zen-message ul,
.zen-message ol {
    padding-left: 1.5em;
}

.zen-message li + li {
    margin-top: 4px;
}

.zen-message :not(pre) > code {
    padding: 2px 5px;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.09);
    color: var(--text-primary);
}

.thinking-message {
    color: #aab7c7;
    font-style: italic;
}

#answer pre {
    position: relative;
    max-width: 100%;
    overflow: auto;
    margin: 18px 0;
    padding: 48px 16px 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    background: #0d1117;
    color: #e6edf3;
}

#answer pre code {
    font-family: Consolas, "Courier New", monospace;
    font-size: 13px;
    line-height: 1.6;
    white-space: pre;
}

.copy-code-btn {
    position: absolute;
    top: 9px;
    right: 9px;
    min-height: 30px;
    padding: 4px 10px;
    border: 1px solid #30363d;
    border-radius: 7px;
    background: #21262d;
    color: white;
    font-size: 12px;
    cursor: pointer;
}

.copy-code-btn:hover {
    background: #30363d;
}

.search {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    clip-path: inset(50%);
}

.attach-button {
    width: 48px;
    flex: 0 0 48px;
    border: 1px solid rgba(245, 179, 53, 0.35);
    border-radius: 12px;
    background: rgba(245, 179, 53, 0.08);
    color: var(--accent);
    font-size: 25px;
    line-height: 1;
    cursor: pointer;
}

.attach-button:hover,
.attach-button:focus-visible {
    border-color: var(--accent);
    background: rgba(245, 179, 53, 0.14);
}

.attachment-preview,
.user-attachments {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.attachment-preview {
    padding-top: 12px;
}

.attachment-preview[hidden] {
    display: none;
}

.attachment-chip {
    min-width: 0;
    max-width: min(100%, 280px);
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 5px 8px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.055);
    color: var(--text-primary);
    line-height: 1.3;
}

.attachment-thumbnail {
    width: 38px;
    height: 38px;
    flex: 0 0 38px;
    border-radius: 6px;
    object-fit: cover;
}

.attachment-file-icon {
    width: 38px;
    height: 38px;
    flex: 0 0 38px;
    display: grid;
    place-items: center;
    border-radius: 6px;
    background: rgba(245, 179, 53, 0.12);
    color: var(--accent);
    font-size: 9px;
    font-weight: 700;
}

.attachment-filename {
    min-width: 0;
    overflow: hidden;
    font-size: 12px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.attachment-remove {
    width: 28px;
    min-height: 28px;
    flex: 0 0 28px;
    display: grid;
    place-items: center;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: transparent;
    color: #c4ccd7;
    font-size: 20px;
    cursor: pointer;
}

.attachment-remove:hover,
.attachment-remove:focus-visible {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.user-attachments {
    margin-bottom: 8px;
}

.user-message-text {
    white-space: pre-wrap;
}

.search input {
    min-width: 0;
    min-height: 48px;
    flex: 1 1 240px;
    padding: 0 15px;
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.055);
    color: var(--text-primary);
    font-size: 15px;
}

.search input::placeholder {
    color: #9aa4b2;
}

.search input:focus {
    border-color: var(--accent);
}

.search button {
    min-height: 48px;
}

.search .ask-button {
    background: var(--accent);
    color: #17130b;
}

.search .new-chat-button {
    border-color: var(--border);
    background: transparent;
    color: var(--text-primary);
}

.search .new-chat-button:hover {
    background: var(--surface-hover);
}

.content-section {
    width: min(var(--content-width), calc(100% - 48px));
    margin: 100px auto 0;
    scroll-margin-top: 110px;
}

.section-heading {
    max-width: 660px;
    margin: 0 auto 34px;
    text-align: center;
}

.section-heading .eyebrow {
    margin-bottom: 8px;
}

.section-heading h2 {
    margin: 0;
    font-size: clamp(30px, 3.5vw, 40px);
    font-weight: 600;
    letter-spacing: -0.035em;
    line-height: 1.2;
}

.section-heading p {
    margin: 12px 0 0;
    color: var(--text-secondary);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.feature-card,
.step-card,
.service-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
}

.feature-card {
    min-height: 285px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 22px;
    transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.feature-category {
    margin: 0 0 7px !important;
    color: var(--accent) !important;
    font-size: 10px !important;
    font-weight: 700;
    letter-spacing: 0.1em;
}

.feature-card:hover {
    transform: translateY(-3px);
    border-color: rgba(245, 179, 53, 0.3);
    background: var(--surface-hover);
}

.feature-icon {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    margin-bottom: 18px;
    border: 1px solid rgba(245, 179, 53, 0.25);
    border-radius: 12px;
    color: var(--accent);
}

.feature-icon svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.7;
}

.feature-card h3,
.step-card h3,
.service-card h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.feature-card p,
.step-card p,
.service-card p {
    margin: 8px 0 18px;
    color: var(--text-secondary);
    font-size: 14px;
}

.feature-card .feature-examples {
    margin: 0 0 18px;
    color: #78869a;
    font-size: 11px;
    line-height: 1.6;
}

.feature-action {
    margin-top: auto;
    padding: 0;
    border: 0;
    background: none;
    color: var(--accent);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}

.feature-coming-soon {
    margin-top: auto;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
}

.feature-action:hover {
    color: #ffd37d;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.step-card {
    min-height: 172px;
    padding: 24px;
}

.step-number {
    display: inline-block;
    margin-bottom: 18px;
    color: var(--accent);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.service-card {
    min-height: 94px;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px;
}

.service-mark {
    width: 8px;
    height: 8px;
    flex: 0 0 auto;
    border-radius: 50%;
    background: #72d7a5;
}

.service-card.in-development .service-mark {
    background: #7f8da3;
}

.service-card h3 {
    font-size: 14px;
}

.service-card p {
    margin: 3px 0 0;
    font-size: 12px;
}

.section-note {
    margin: 16px 0 0;
    color: var(--text-secondary);
    font-size: 12px;
    text-align: center;
}

.site-footer {
    margin-top: 100px;
    border-top: 1px solid var(--border);
    background: rgba(5, 10, 20, 0.68);
}

.footer-shell {
    width: min(var(--content-width), calc(100% - 48px));
    margin: 0 auto;
    padding: 38px 0 22px;
}

.footer-main {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 32px;
    padding-bottom: 28px;
}

.footer-brand {
    font-size: 20px;
    font-weight: 700;
}

.footer-description,
.footer-author {
    margin: 5px 0 0;
    color: var(--text-secondary);
    font-size: 13px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    color: #c1c9d4;
    font-size: 13px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding-top: 18px;
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 12px;
}

.whatsapp-float {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 1;
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 50%;
    background: #1fae5a;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
    transition: transform 160ms ease;
}

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

.whatsapp-float svg {
    width: 25px;
    height: 25px;
    fill: white;
}

@keyframes rise-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 900px) {
    .nav-shell {
        flex-wrap: wrap;
        justify-content: space-between;
        gap: 10px 20px;
        padding: 12px 0;
    }

    .nav-links {
        order: 3;
        width: 100%;
        justify-content: center;
        margin: 0;
        padding-top: 8px;
        border-top: 1px solid var(--border);
    }

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

@media (max-width: 600px) {
    .nav-shell,
    .hero-content,
    .content-section,
    .footer-shell {
        width: min(100% - 32px, var(--content-width));
    }

    .nav-shell {
        gap: 8px 12px;
    }

    .brand {
        font-size: 20px;
    }

    .nav-side {
        gap: 10px;
    }

    .live-info {
        font-size: 9px;
    }

    .nav-cta {
        min-height: 38px;
        padding: 0 11px;
        font-size: 12px;
    }

    .nav-links {
        justify-content: space-between;
        gap: 8px;
        font-size: 12px;
    }

    .hero {
        min-height: 420px;
        background-position: 58% center;
    }

    .hero-content {
        padding: 62px 0 88px;
    }

    .hero h1 {
        font-size: clamp(36px, 10vw, 40px);
        line-height: 1.12;
    }

    .hero-copy {
        max-width: 420px;
        margin: 16px 0 22px;
        font-size: 16px;
    }

    .hero-actions .button-primary,
    .hero-actions .button-secondary {
        min-height: 44px;
        padding: 0 14px;
        font-size: 13px;
    }

    .chat-section {
        width: calc(100% - 24px);
        margin-top: -50px;
    }

    .assistant {
        height: min(78svh, 740px);
        min-height: 480px;
        padding: 15px;
    }

    .assistant-title {
        font-size: 14px;
    }

    .assistant-caption {
        display: none;
    }

    .assistant-header {
        gap: 8px;
        margin-bottom: 12px;
    }

    .assistant-header .new-chat-button {
        min-height: 36px;
        padding: 0 10px;
    }

    .suggestions {
        gap: 6px;
        padding-bottom: 10px;
    }

    .suggestion {
        min-height: 32px;
        padding: 5px 9px;
        font-size: 11px;
    }

    #answer {
        padding: 8px 2px;
    }

    .chat-message {
        max-width: 96%;
        padding: 10px 12px;
        font-size: 14px;
    }

    .search {
        display: grid;
        grid-template-columns: 42px minmax(0, 1fr) auto;
        gap: 7px;
        padding-top: 10px;
    }

    .search #question {
        grid-column: 2;
        grid-row: 1;
        width: 100%;
        min-height: 46px;
        flex: initial;
        font-size: 16px;
    }

    .search .attach-button {
        grid-column: 1;
        grid-row: 1;
        width: 42px;
        flex: initial;
    }

    .search .ask-button {
        grid-column: 3;
        grid-row: 1;
        min-height: 42px;
        flex: initial;
        padding: 0 10px;
        font-size: 12px;
    }

    #answer pre {
        padding: 44px 12px 12px;
    }

    #answer pre code {
        font-size: 12px;
    }

    .content-section {
        margin-top: 70px;
    }

    .section-heading {
        margin-bottom: 24px;
        text-align: left;
    }

    .section-heading h2 {
        font-size: 30px;
    }

    .section-heading p {
        font-size: 14px;
    }

    .feature-grid,
    .steps-grid,
    .service-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .feature-card {
        min-height: 250px;
        padding: 18px;
    }

    .step-card {
        min-height: auto;
        padding: 19px;
    }

    .step-number {
        margin-bottom: 10px;
    }

    .service-card {
        min-height: 76px;
        padding: 14px;
    }

    .site-footer {
        margin-top: 70px;
    }

    .footer-main,
    .footer-bottom {
        flex-direction: column;
        gap: 18px;
    }

    .footer-links {
        gap: 14px;
    }

    .whatsapp-float {
        right: 12px;
        bottom: 12px;
        width: 44px;
        height: 44px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}