/* =========================================================
   LUNQHAL BRAND WEBSITE
   Brand Design System V1.0
   Desktop Final CSS
   Stage 5.6.3

   Brand Positioning:
   Home / Lighting / Lifestyle / Smart Living

   Current Hero Category:
   SL Series / Outdoor Solar Lighting

   IMPORTANT:
   - Images contain NO text / logo / UI graphics.
   - All typography and CTA elements are HTML/CSS.
   - Brand assets are located in /assets/brand/
========================================================= */


/* =========================================================
   01. DESIGN TOKENS
========================================================= */

:root {

    /* ---------- Brand Colors ---------- */

    --lq-black: #111111;
    --lq-black-soft: #1a1a1a;

    --lq-white: #ffffff;

    --lq-text: #171717;
    --lq-text-secondary: #666666;
    --lq-text-muted: #888888;

    --lq-border: #e8e8e8;

    --lq-background: #ffffff;
    --lq-background-soft: #f7f7f5;
    --lq-background-dark: #111111;


    /* ---------- Layout ---------- */

    --lq-max-width: 1200px;

    --lq-page-padding: 32px;

    --lq-header-height: 72px;

    --lq-section-space: 120px;

    --lq-section-space-large: 160px;


    /* ---------- Typography ---------- */

    --lq-font-sans:
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        Arial,
        Helvetica,
        sans-serif;


    /* ---------- UI ---------- */

    --lq-radius-small: 4px;

    --lq-radius-medium: 8px;

    --lq-radius-large: 12px;

    --lq-transition:
        180ms ease;


    /* ---------- Image ---------- */

    --lq-image-radius: 0px;

}


/* =========================================================
   02. GLOBAL RESET
========================================================= */

*,
*::before,
*::after {

    box-sizing: border-box;

}


html {

    margin: 0;

    padding: 0;

    scroll-behavior: smooth;

}


body {

    margin: 0;

    padding: 0;

    background: var(--lq-background);

    color: var(--lq-text);

    font-family: var(--lq-font-sans);

    font-size: 16px;

    line-height: 1.6;

    -webkit-font-smoothing: antialiased;

    text-rendering: optimizeLegibility;

}


img {

    display: block;

    max-width: 100%;

    height: auto;

}


a {

    color: inherit;

    text-decoration: none;

}


button,
a {

    -webkit-tap-highlight-color: transparent;

}


button {

    font: inherit;

}


::selection {

    background: #111111;

    color: #ffffff;

}


/* =========================================================
   03. ACCESSIBILITY
========================================================= */

:focus-visible {

    outline: 2px solid #111111;

    outline-offset: 4px;

}


/* =========================================================
   04. CONTAINER
========================================================= */

.lq-container {

    width: min(
        var(--lq-max-width),
        calc(100% - (var(--lq-page-padding) * 2))
    );

    margin-left: auto;

    margin-right: auto;

}


/* =========================================================
   05. HEADER
========================================================= */

.lq-header {

    position: relative;

    z-index: 100;

    width: 100%;

    height: var(--lq-header-height);

    background: rgba(255, 255, 255, 0.96);

    border-bottom: 1px solid var(--lq-border);

}


.lq-header-inner {

    height: 100%;

    display: flex;

    align-items: center;

    justify-content: space-between;

}


/* ---------- Brand ---------- */

.lq-brand {

    display: inline-flex;

    align-items: center;

    flex-shrink: 0;

}


.lq-brand img {

    display: block;

    width: 126px;

    height: auto;

}


/* ---------- Navigation ---------- */

.lq-nav {

    display: flex;

    align-items: center;

    gap: 34px;

}


.lq-nav a {

    position: relative;

    display: inline-flex;

    align-items: center;

    height: var(--lq-header-height);

    color: var(--lq-text);

    font-size: 14px;

    font-weight: 500;

    letter-spacing: 0.01em;

    white-space: nowrap;

    transition:
        color var(--lq-transition);

}


.lq-nav a::after {

    content: "";

    position: absolute;

    left: 0;

    right: 0;

    bottom: 21px;

    height: 1px;

    background: var(--lq-black);

    transform: scaleX(0);

    transform-origin: center;

    transition:
        transform var(--lq-transition);

}


.lq-nav a:hover {

    color: #555555;

}


.lq-nav a:hover::after {

    transform: scaleX(1);

}


/* =========================================================
   06. HERO / H01
========================================================= */

.lq-hero {

    position: relative;

    width: 100%;

    min-height: calc(100vh - var(--lq-header-height));

    overflow: hidden;

    background: #111111;

}


.lq-hero-image {

    width: 100%;

    height: auto;

    min-height: calc(100vh - var(--lq-header-height));

    object-fit: cover;

}


/* ---------- Hero Overlay ---------- */

.lq-hero-overlay {

    position: absolute;

    inset: 0;

    display: flex;

    align-items: center;

}


.lq-hero-content {

    width: min(
        var(--lq-max-width),
        calc(100% - (var(--lq-page-padding) * 2))
    );

    margin-left: auto;

    margin-right: auto;

}


/* ---------- Hero Text ---------- */

.lq-hero-copy {

    max-width: 560px;

}


.lq-eyebrow {

    margin: 0 0 18px;

    color: inherit;

    font-size: 13px;

    font-weight: 600;

    line-height: 1.4;

    letter-spacing: 0.14em;

    text-transform: uppercase;

}


.lq-hero h1 {

    margin: 0;

    color: #ffffff;

    font-size: clamp(
        48px,
        5vw,
        76px
    );

    line-height: 1.04;

    font-weight: 600;

    letter-spacing: -0.035em;

}


.lq-hero-subtitle {

    max-width: 520px;

    margin: 24px 0 0;

    color: rgba(255,255,255,0.88);

    font-size: 19px;

    line-height: 1.65;

}


.lq-hero-actions {

    display: flex;

    align-items: center;

    gap: 18px;

    margin-top: 34px;

}


/* =========================================================
   07. BUTTON SYSTEM
========================================================= */

.lq-button {

    display: inline-flex;

    align-items: center;

    justify-content: center;

    min-height: 46px;

    padding:
        0 24px;

    border:
        1px solid var(--lq-black);

    border-radius: 999px;

    background: var(--lq-black);

    color: #ffffff;

    font-size: 14px;

    font-weight: 600;

    line-height: 1;

    letter-spacing: 0.01em;

    transition:
        background var(--lq-transition),
        color var(--lq-transition),
        border-color var(--lq-transition),
        transform var(--lq-transition);

}


.lq-button:hover {

    background: #333333;

    border-color: #333333;

    transform: translateY(-1px);

}


.lq-button--light {

    background: #ffffff;

    border-color: #ffffff;

    color: #111111;

}


.lq-button--light:hover {

    background: #f2f2f2;

    border-color: #f2f2f2;

}


.lq-button--outline {

    background: transparent;

    color: #111111;

}


.lq-button--outline:hover {

    background: #111111;

    color: #ffffff;

}


/* =========================================================
   08. GENERAL SECTION
========================================================= */

.lq-section {

    position: relative;

    padding-top: var(--lq-section-space);

    padding-bottom: var(--lq-section-space);

}


.lq-section--large {

    padding-top: var(--lq-section-space-large);

    padding-bottom: var(--lq-section-space-large);

}


.lq-section--soft {

    background: var(--lq-background-soft);

}


.lq-section--dark {

    background: var(--lq-background-dark);

    color: #ffffff;

}


/* =========================================================
   09. SECTION HEADER
========================================================= */

.lq-section-header {

    max-width: 720px;

    margin-bottom: 56px;

}


.lq-section-header--center {

    margin-left: auto;

    margin-right: auto;

    text-align: center;

}


.lq-section-eyebrow {

    margin:
        0 0 14px;

    color: var(--lq-text-secondary);

    font-size: 12px;

    font-weight: 600;

    letter-spacing: 0.15em;

    text-transform: uppercase;

}


.lq-section-title {

    margin: 0;

    color: var(--lq-text);

    font-size: clamp(
        36px,
        4vw,
        56px
    );

    line-height: 1.08;

    font-weight: 600;

    letter-spacing: -0.03em;

}


.lq-section-description {

    max-width: 620px;

    margin:
        20px 0 0;

    color: var(--lq-text-secondary);

    font-size: 17px;

    line-height: 1.75;

}


/* =========================================================
   10. H02 / H03 EDITORIAL SPLIT
========================================================= */

.lq-editorial {

    display: grid;

    grid-template-columns:
        minmax(0, 1fr)
        minmax(0, 1fr);

    align-items: stretch;

    min-height: 620px;

}


.lq-editorial-media {

    position: relative;

    overflow: hidden;

}


.lq-editorial-media img {

    width: 100%;

    height: 100%;

    object-fit: cover;

}


.lq-editorial-copy {

    display: flex;

    align-items: center;

    padding:
        72px
        clamp(56px, 7vw, 112px);

    background: var(--lq-background-soft);

}


.lq-editorial-copy-inner {

    width: 100%;

    max-width: 500px;

}


.lq-editorial--reverse
.lq-editorial-copy {

    order: 1;

}


.lq-editorial--reverse
.lq-editorial-media {

    order: 2;

}


.lq-editorial-title {

    margin: 0;

    color: var(--lq-text);

    font-size: clamp(
        38px,
        4vw,
        58px
    );

    line-height: 1.06;

    font-weight: 600;

    letter-spacing: -0.035em;

}


.lq-editorial-text {

    margin:
        24px 0 0;

    color: var(--lq-text-secondary);

    font-size: 17px;

    line-height: 1.75;

}


.lq-editorial-action {

    margin-top: 32px;

}


/* =========================================================
   11. H04 FULL-WIDTH IMAGE SECTION
========================================================= */

.lq-feature-visual {

    position: relative;

    width: 100%;

    overflow: hidden;

    background: #111111;

}


.lq-feature-visual img {

    width: 100%;

    height: auto;

}


.lq-feature-visual-overlay {

    position: absolute;

    inset: 0;

    display: flex;

    align-items: center;

    justify-content: center;

    text-align: center;

    padding:
        40px;

}


.lq-feature-visual-copy {

    max-width: 680px;

    color: #ffffff;

}


.lq-feature-visual-copy
.lq-section-eyebrow {

    color: rgba(255,255,255,0.78);

}


.lq-feature-visual-copy
.lq-section-title {

    color: #ffffff;

}


.lq-feature-visual-copy
.lq-section-description {

    margin-left: auto;

    margin-right: auto;

    color: rgba(255,255,255,0.84);

}


/* =========================================================
   12. PRODUCT PHILOSOPHY
========================================================= */

.lq-philosophy {

    padding:
        var(--lq-section-space-large)
        0;

    background: var(--lq-background-soft);

}


.lq-philosophy-grid {

    display: grid;

    grid-template-columns:
        repeat(4, minmax(0, 1fr));

    gap: 1px;

    background: var(--lq-border);

    border:
        1px solid var(--lq-border);

}


.lq-philosophy-item {

    min-height: 260px;

    padding:
        42px 32px;

    background: var(--lq-background-soft);

    text-align: center;

}


.lq-philosophy-icon {

    width: 48px;

    height: 48px;

    margin:
        0 auto 24px;

    object-fit: contain;

}


.lq-philosophy-item h3 {

    margin:
        0 0 10px;

    color: var(--lq-text);

    font-size: 18px;

    line-height: 1.3;

    font-weight: 600;

}


.lq-philosophy-item p {

    max-width: 220px;

    margin:
        0 auto;

    color: var(--lq-text-secondary);

    font-size: 14px;

    line-height: 1.65;

}


/* =========================================================
   13. V01–V04 APPLICATION GRID
========================================================= */

.lq-applications {

    padding:
        var(--lq-section-space-large)
        0;

}


.lq-application-grid {

    display: grid;

    grid-template-columns:
        repeat(2, minmax(0, 1fr));

    gap: 24px;

}


.lq-application-card {

    position: relative;

    overflow: hidden;

    background: #111111;

}


.lq-application-card img {

    width: 100%;

    height: auto;

    transition:
        transform 500ms ease;

}


.lq-application-card:hover img {

    transform: scale(1.015);

}


.lq-application-overlay {

    position: absolute;

    inset: 0;

    display: flex;

    align-items: flex-end;

    padding:
        34px;

    background:
        linear-gradient(
            to top,
            rgba(0,0,0,0.55),
            rgba(0,0,0,0.04) 55%,
            transparent 100%
        );

}


.lq-application-title {

    margin: 0;

    color: #ffffff;

    font-size: 28px;

    line-height: 1.15;

    font-weight: 600;

    letter-spacing: -0.02em;

}


/* =========================================================
   14. V05 FUTURE HOME
========================================================= */

.lq-future {

    position: relative;

    overflow: hidden;

    background: #111111;

}


.lq-future img {

    width: 100%;

    height: auto;

}


.lq-future-overlay {

    position: absolute;

    inset: 0;

    display: flex;

    align-items: center;

    justify-content: center;

    text-align: center;

    padding:
        40px;

}


.lq-future-copy {

    max-width: 700px;

    color: #ffffff;

}


.lq-future-copy
.lq-section-eyebrow {

    color:
        rgba(255,255,255,0.78);

}


.lq-future-copy
.lq-section-title {

    color: #ffffff;

    font-size: clamp(
        42px,
        5vw,
        72px
    );

}


.lq-future-copy
.lq-section-description {

    margin-left: auto;

    margin-right: auto;

    color:
        rgba(255,255,255,0.84);

}


/* =========================================================
   15. FUTURE HOME CONTENT
========================================================= */

.lq-future-intro {

    padding:
        var(--lq-section-space-large)
        0;

}


.lq-future-intro-grid {

    display: grid;

    grid-template-columns:
        0.8fr
        1.2fr;

    gap:
        100px;

    align-items: start;

}


.lq-future-intro-title {

    margin: 0;

    font-size: 42px;

    line-height: 1.1;

    font-weight: 600;

    letter-spacing: -0.03em;

}


.lq-future-intro-copy {

    max-width: 620px;

}


.lq-future-intro-copy p {

    margin:
        0 0 20px;

    color: var(--lq-text-secondary);

    font-size: 17px;

    line-height: 1.8;

}


.lq-future-list {

    display: grid;

    grid-template-columns:
        repeat(2, minmax(0, 1fr));

    gap:
        16px 40px;

    margin-top: 32px;

    padding: 0;

    list-style: none;

}


.lq-future-list li {

    position: relative;

    padding-left: 18px;

    color: var(--lq-text);

    font-size: 15px;

}


.lq-future-list li::before {

    content: "";

    position: absolute;

    left: 0;

    top: 0.7em;

    width: 5px;

    height: 5px;

    border-radius: 50%;

    background: #111111;

}


/* =========================================================
   16. FINAL CTA
========================================================= */

.lq-final-cta {

    padding:
        110px 0;

    background: var(--lq-background-soft);

    text-align: center;

}


.lq-final-cta-inner {

    max-width: 680px;

    margin:
        0 auto;

}


.lq-final-cta h2 {

    margin: 0;

    color: var(--lq-text);

    font-size: clamp(
        36px,
        4vw,
        52px
    );

    line-height: 1.08;

    font-weight: 600;

    letter-spacing: -0.03em;

}


.lq-final-cta p {

    margin:
        20px auto 0;

    color: var(--lq-text-secondary);

    font-size: 17px;

    line-height: 1.7;

}


.lq-final-cta .lq-button {

    margin-top: 30px;

}


/* =========================================================
   17. FOOTER
========================================================= */

.lq-footer {

    padding:
        64px 0 42px;

    background: var(--lq-background-dark);

    color: #ffffff;

}


.lq-footer-inner {

    display: grid;

    grid-template-columns:
        1.5fr
        1fr
        1fr;

    gap: 80px;

    padding-bottom: 54px;

}


.lq-footer-brand img {

    width: 126px;

    height: auto;

}


.lq-footer-brand p {

    max-width: 340px;

    margin:
        22px 0 0;

    color:
        rgba(255,255,255,0.62);

    font-size: 14px;

    line-height: 1.7;

}


.lq-footer-column h3 {

    margin:
        0 0 18px;

    color: #ffffff;

    font-size: 13px;

    font-weight: 600;

    letter-spacing: 0.1em;

    text-transform: uppercase;

}


.lq-footer-column a {

    display: block;

    margin-bottom: 10px;

    color:
        rgba(255,255,255,0.65);

    font-size: 14px;

    transition:
        color var(--lq-transition);

}


.lq-footer-column a:hover {

    color: #ffffff;

}


.lq-footer-bottom {

    display: flex;

    align-items: center;

    justify-content: space-between;

    padding-top: 26px;

    border-top:
        1px solid rgba(255,255,255,0.14);

}


.lq-footer-bottom p {

    margin: 0;

    color:
        rgba(255,255,255,0.45);

    font-size: 12px;

}


/* =========================================================
   18. UTILITY
========================================================= */

.lq-center {

    text-align: center;

}


.lq-text-center {

    text-align: center;

}


.lq-hidden {

    display: none !important;

}


.lq-no-overflow {

    overflow: hidden;

}


/* =========================================================
   19. DESKTOP LARGE SCREEN
========================================================= */

@media (min-width: 1600px) {

    :root {

        --lq-max-width: 1280px;

    }


    .lq-editorial {

        min-height: 700px;

    }


    .lq-editorial-copy {

        padding:
            80px
            110px;

    }


    .lq-philosophy-item {

        min-height: 280px;

    }

}


/* =========================================================
   20. DESKTOP STANDARD
   1025px – 1599px
========================================================= */

@media (
    min-width: 1025px
) and (
    max-width: 1599px
) {

    .lq-editorial {

        min-height: 580px;

    }


    .lq-editorial-copy {

        padding:
            56px;

    }


    .lq-philosophy-item {

        padding:
            36px 24px;

    }


    .lq-footer-inner {

        gap: 50px;

    }

}


/* =========================================================
   21. TABLET
========================================================= */

@media (
    min-width: 769px
) and (
    max-width: 1024px
) {

    :root {

        --lq-page-padding: 24px;

        --lq-section-space: 90px;

        --lq-section-space-large: 110px;

    }


    .lq-nav {

        gap: 22px;

    }


    .lq-editorial {

        grid-template-columns:
            1fr
            1fr;

        min-height: 500px;

    }


    .lq-editorial-copy {

        padding:
            44px;

    }


    .lq-philosophy-grid {

        grid-template-columns:
            repeat(2, 1fr);

    }


    .lq-footer-inner {

        gap: 40px;

    }

}


/* =========================================================
   22. MOBILE PREPARATION
   Stage 5.7 will refine this section.
========================================================= */

@media (max-width: 768px) {

    :root {

        --lq-page-padding: 18px;

        --lq-section-space: 72px;

        --lq-section-space-large: 88px;

    }


    .lq-header {

        height: 64px;

    }


    .lq-header-inner {

        min-height: 64px;

    }


    .lq-brand img {

        width: 112px;

    }


    .lq-nav {

        display: none;

    }


    .lq-hero {

        min-height: auto;

    }


    .lq-hero-image {

        min-height: auto;

    }


    .lq-hero-overlay {

        align-items: flex-end;

        padding-bottom: 52px;

    }


    .lq-hero-content {

        width:
            calc(100% - 36px);

    }


    .lq-hero h1 {

        font-size: 42px;

    }


    .lq-hero-subtitle {

        font-size: 16px;

    }


    .lq-hero-actions {

        flex-direction: column;

        align-items: flex-start;

    }


    .lq-editorial {

        grid-template-columns: 1fr;

        min-height: auto;

    }


    .lq-editorial-media {

        order: 1 !important;

    }


    .lq-editorial-copy {

        order: 2 !important;

        padding:
            56px 24px;

    }


    .lq-philosophy-grid {

        grid-template-columns:
            repeat(2, 1fr);

    }


    .lq-application-grid {

        grid-template-columns: 1fr;

    }


    .lq-future-intro-grid {

        grid-template-columns: 1fr;

        gap: 40px;

    }


    .lq-footer-inner {

        grid-template-columns: 1fr;

        gap: 42px;

    }


    .lq-footer-bottom {

        align-items: flex-start;

        flex-direction: column;

        gap: 10px;

    }

}


/* =========================================================
   23. REDUCED MOTION
========================================================= */

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

    html {

        scroll-behavior: auto;

    }


    *,
    *::before,
    *::after {

        transition-duration: 0.01ms !important;

        animation-duration: 0.01ms !important;

        animation-iteration-count: 1 !important;

    }

}