/* =========================
   RESET
========================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #11b7c9;
    --primary-dark: #0ea5b7;
    --dark: #0f172a;
    --dark-soft: #1e293b;
    --text: #334155;
    --muted: #64748b;
    --line: #e5edf5;
    --bg-soft: #f8fbfd;
    --white: #ffffff;
    --gold: #ffd54a;
    --shadow-sm: 0 10px 24px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 16px 36px rgba(15, 23, 42, 0.08);
    --radius-sm: 12px;
    --radius-md: 18px;
    --radius-lg: 24px;
    --container: 1280px;
    --transition: 0.25s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, sans-serif;
    background: var(--white);
    color: var(--text);
    line-height: 1.6;
}

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

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

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

/* =========================
   LAYOUT
========================= */
.container {
    width: min(var(--container), calc(100% - 32px));
    margin: 0 auto;
}

.section {
    padding: 88px 0;
}

.section-title {
    font-size: 38px;
    line-height: 1.15;
    color: var(--dark);
    margin-bottom: 14px;
}

.section-subtitle {
    font-size: 16px;
    color: var(--muted);
    max-width: 760px;
    margin-bottom: 38px;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

/* =========================
   BUTTONS
========================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    padding: 0 22px;
    border-radius: 14px;
    font-weight: 700;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    box-shadow: 0 10px 24px rgba(17, 183, 201, 0.18);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(17, 183, 201, 0.24);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid #dbe4ee;
    color: var(--dark);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

/* =========================
   HEADER
========================= */
.site-header {
    position: sticky;
    top: 0;
    z-index: 999;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(229, 237, 245, 0.9);
}

.header-inner {
    min-height: 88px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo img {
    height: 56px;
    width: auto;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 24px;
}

.main-nav a {
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
    transition: var(--transition);
}

.main-nav a:hover {
    color: var(--primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* =========================
   HERO
========================= */
.hero {
    position: relative;
    overflow: hidden;
    color: var(--white);
    padding: 118px 0 92px;
    background:
        radial-gradient(circle at 82% 18%, rgba(255, 213, 74, 0.14), transparent 22%),
        radial-gradient(circle at 12% 50%, rgba(17, 183, 201, 0.16), transparent 26%),
        linear-gradient(120deg, rgba(8, 15, 32, 0.97), rgba(11, 32, 56, 0.94)),
        url('../images/hero-bg.jpg') center/cover no-repeat;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(8, 15, 32, 0.18), transparent 35%, transparent 65%, rgba(255, 213, 74, 0.03));
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(360px, 0.85fr);
    align-items: center;
    gap: 56px;
    min-height: 640px;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    color: #eef7fb;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 22px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.hero h1 {
    font-size: clamp(42px, 6vw, 78px);
    line-height: 1.02;
    letter-spacing: -1.8px;
    margin-bottom: 22px;
    color: var(--white);
    text-shadow: 0 0 16px rgba(255, 255, 255, 0.05);
}

.hero p {
    font-size: clamp(16px, 2vw, 21px);
    line-height: 1.75;
    color: #dbe7ee;
    max-width: 720px;
    margin-bottom: 30px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 34px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    max-width: 760px;
}

.hero-stat {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 18px;
    padding: 20px;
    backdrop-filter: blur(12px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.16);
}

.hero-stat strong {
    display: block;
    font-size: 28px;
    line-height: 1;
    margin-bottom: 8px;
    color: var(--white);
}

.hero-stat span {
    font-size: 14px;
    color: #dce7ef;
}

.hero-right {
    position: relative;
    min-height: 560px;
}

.hero-right::before {
    content: "";
    position: absolute;
    inset: 48px 18px;
    border-radius: 40px;
    background:
        radial-gradient(circle at 30% 35%, rgba(17, 183, 201, 0.28), transparent 26%),
        radial-gradient(circle at 72% 58%, rgba(255, 213, 74, 0.16), transparent 24%),
        radial-gradient(circle at 55% 50%, rgba(255, 255, 255, 0.05), transparent 34%);
    filter: blur(20px);
    opacity: 0.95;
}

.hero-panel {
    position: absolute;
    width: 290px;
    background: rgba(8, 18, 35, 0.56);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    padding: 24px;
    color: var(--white);
    backdrop-filter: blur(18px);
    box-shadow: 0 24px 50px rgba(0, 0, 0, 0.18);
}

.hero-panel-label {
    display: inline-flex;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(255, 213, 74, 0.14);
    color: var(--gold);
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 14px;
}

.hero-panel h3 {
    font-size: 28px;
    line-height: 1.15;
    margin-bottom: 10px;
    color: var(--white);
}

.hero-panel p {
    margin: 0;
    font-size: 15px;
    line-height: 1.75;
    color: #dce7ef;
}

.hero-panel-1 {
    top: 40px;
    right: 20px;
}

.hero-panel-2 {
    top: 220px;
    left: 10px;
}

.hero-panel-3 {
    bottom: 34px;
    right: 70px;
}

/* =========================
   STRIP
========================= */
.lighting-strip-section {
    padding-top: 28px;
    padding-bottom: 14px;
    background: #fff;
}

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

.lighting-strip-item {
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 18px;
    box-shadow: var(--shadow-sm);
}

.lighting-icon {
    width: 52px;
    height: 52px;
    flex: 0 0 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    background: linear-gradient(135deg, rgba(255, 213, 74, 0.18), rgba(17, 183, 201, 0.16));
}

.lighting-strip-item strong {
    display: block;
    color: var(--dark);
    margin-bottom: 4px;
    font-size: 15px;
}

.lighting-strip-item p {
    font-size: 14px;
    color: var(--muted);
}

/* =========================
   CARDS
========================= */
.service-card,
.project-card,
.product-card,
.blog-card {
    background: var(--white);
    border: 1px solid #eef2f7;
    border-radius: 22px;
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    overflow: hidden;
}

.service-card:hover,
.project-card:hover,
.product-card:hover,
.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.service-icon {
    width: 58px;
    height: 58px;
    border-radius: 16px;
    background: rgba(17, 183, 201, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 18px;
}

.service-card h3,
.project-card h3,
.product-card h3,
.blog-card h3 {
    font-size: 24px;
    line-height: 1.2;
    color: var(--dark);
    margin-bottom: 10px;
}

.service-card p,
.project-card p,
.product-card p,
.blog-card p {
    color: var(--muted);
    font-size: 15px;
}

.project-thumb,
.product-thumb,
.blog-thumb {
    margin: -24px -24px 18px;
}

.project-thumb img,
.product-thumb img,
.blog-thumb img {
    width: 100%;
    height: 240px;
    object-fit: cover;
}

.project-meta,
.product-meta,
.blog-meta {
    font-size: 13px;
    color: var(--primary);
    margin: 14px 0 8px;
    font-weight: 700;
}

.card-action {
    margin-top: 18px;
}

/* =========================
   ABOUT
========================= */
.about-box {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 28px;
    align-items: center;
}

.about-content {
    background: var(--bg-soft);
    border: 1px solid var(--line);
    border-radius: 24px;
    padding: 36px;
}

.about-content p {
    color: var(--text);
}

.about-content ul {
    list-style: none;
    margin-top: 22px;
    display: grid;
    gap: 14px;
}

.about-content ul li {
    position: relative;
    padding-left: 28px;
    color: var(--text);
}

.about-content ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--primary);
    font-weight: 700;
}

.about-image img {
    width: 100%;
    min-height: 420px;
    border-radius: 22px;
    object-fit: cover;
}

/* =========================
   DARK PROJECT SECTION
========================= */
.dark-project-section {
    background: linear-gradient(135deg, #091321, #0d2238);
}

.section-title-light {
    color: var(--white);
}

.section-subtitle-light {
    color: #c9d8e3;
}

.dark-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: none;
}

.dark-card h3 {
    color: var(--white);
}

.dark-card p {
    color: #c7d6e2;
}

.dark-card .project-meta {
    color: var(--gold);
}

/* =========================
   CTA
========================= */
.cta-section {
    background:
        radial-gradient(circle at right top, rgba(255, 213, 74, 0.18), transparent 24%),
        linear-gradient(135deg, var(--dark), #0f766e);
    color: var(--white);
    border-radius: 28px;
    padding: 54px;
}

.cta-section h2 {
    font-size: 40px;
    line-height: 1.15;
    margin-bottom: 14px;
}

.cta-section p {
    color: #dce7ef;
    max-width: 780px;
    margin-bottom: 24px;
}

/* =========================
   PAGE HERO
========================= */
.page-hero {
    background: linear-gradient(135deg, var(--dark), #0f766e);
    color: var(--white);
    padding: 82px 0;
}

.page-hero h1 {
    font-size: 44px;
    margin-bottom: 14px;
}

.page-hero p {
    color: #dce7ef;
    max-width: 760px;
}

/* =========================
   FORM
========================= */
.form-box {
    background: var(--white);
    border: 1px solid #eef2f7;
    border-radius: 24px;
    padding: 28px;
    box-shadow: var(--shadow-sm);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group.full {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 14px;
    font-weight: 700;
    color: var(--text);
}

.form-control {
    width: 100%;
    min-height: 50px;
    border: 1px solid #dbe4ee;
    border-radius: 14px;
    padding: 12px 14px;
    font-size: 14px;
    outline: none;
    background: var(--white);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(17, 183, 201, 0.08);
}

.success-box {
    margin-bottom: 20px;
    padding: 14px 16px;
    border-radius: 12px;
    background: #dcfce7;
    color: #166534;
    font-weight: 700;
}

/* =========================
   FOOTER
========================= */
.site-footer {
    background: var(--dark);
    color: var(--white);
    margin-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1fr;
    gap: 30px;
    padding: 60px 0;
}

.footer-logo img {
    height: 60px;
    width: auto;
    margin-bottom: 16px;
}

.footer-text {
    color: #cbd5e1;
}

.site-footer h4 {
    margin-bottom: 16px;
    font-size: 18px;
}

.footer-links,
.footer-contact {
    list-style: none;
    display: grid;
    gap: 10px;
}

.footer-links a {
    color: #cbd5e1;
    transition: var(--transition);
}

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

.footer-contact li {
    color: #cbd5e1;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 16px 0;
    text-align: center;
    color: #94a3b8;
    font-size: 14px;
}

/* =========================
   RESPONSIVE
========================= */
@media (max-width: 1280px) {
    .hero-layout {
        grid-template-columns: minmax(0, 1fr) minmax(320px, 460px);
        gap: 34px;
    }

    .hero-right {
        min-height: 520px;
    }

    .hero-panel {
        width: 260px;
    }

    .hero-panel h3 {
        font-size: 24px;
    }
}

@media (max-width: 1100px) {
    .cards-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .about-box,
    .footer-grid,
    .hero-layout {
        grid-template-columns: 1fr;
    }

    .hero {
        padding: 96px 0 80px;
    }

    .hero-right {
        min-height: 500px;
    }

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

@media (max-width: 900px) {
    .header-inner {
        flex-wrap: wrap;
        justify-content: center;
        padding: 14px 0;
    }

    .main-nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 16px;
    }

    .hero h1 {
        font-size: 46px;
        letter-spacing: -1px;
    }

    .hero p {
        font-size: 17px;
    }

    .hero-stats {
        grid-template-columns: 1fr;
    }

    .form-grid,
    .cards-grid,
    .lighting-strip {
        grid-template-columns: 1fr;
    }

    .cta-section {
        padding: 36px 24px;
    }

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

    .page-hero h1,
    .section-title {
        font-size: 32px;
    }
}

@media (max-width: 768px) {
    .hero-right {
        min-height: auto;
        display: grid;
        gap: 16px;
    }

    .hero-right::before {
        display: none;
    }

    .hero-panel {
        position: relative;
        inset: auto;
        width: 100%;
    }

    .hero {
        padding: 80px 0 70px;
    }

    .hero h1 {
        font-size: 38px;
    }

    .hero p {
        font-size: 16px;
    }

    .section {
        padding: 72px 0;
    }
}
/* =========================
   LINEAR INSPIRED HOMEPAGE REVISION
========================= */
body {
    background: #f3f4f6;
    color: #1f2937;
}

.site-header.linear-header {
    background: linear-gradient(90deg, #181818, #303030);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: none;
}

.linear-header .header-inner {
    min-height: 88px;
}

.site-branding {
    display: flex;
    align-items: center;
    gap: 14px;
}

.site-branding img {
    height: 48px;
    width: auto;
}

.site-brand-text {
    color: #fff;
    font-weight: 800;
    font-size: 20px;
    letter-spacing: 0.4px;
}

.linear-nav {
    gap: 28px;
}

.linear-nav a {
    color: rgba(255, 255, 255, 0.82);
    font-size: 15px;
    position: relative;
}

.linear-nav a.active,
.linear-nav a:hover {
    color: #00929e;
}

.linear-actions .btn-primary {
    min-height: 44px;
    border-radius: 10px;
    background: linear-gradient(135deg, #1596f2, #00929e);
    box-shadow: none;
}

.hero-linear {
    background: #ececec;
    color: #111827;
    padding: 92px 0 80px;
}

.hero-linear::before {
    display: none;
}

.hero-linear-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
    gap: 48px;
    align-items: center;
    min-height: 620px;
}

.hero-copy-box {
    max-width: 560px;
    padding-left: 16px;
}

.hero-kicker {
    display: inline-block;
    margin-bottom: 18px;
    font-size: 20px;
    font-weight: 600;
    color: #111827;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-linear h1 {
    color: #111827;
    font-size: clamp(42px, 5vw, 74px);
    line-height: 1.06;
    margin-bottom: 18px;
    text-shadow: none;
    letter-spacing: -2px;
}

.hero-linear p {
    color: #4b5563;
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 28px;
}

.hero-actions-linear .btn {
    min-width: 180px;
    min-height: 54px;
    border-radius: 0;
    font-size: 17px;
}

.btn-light {
    background: #ffffff;
    color: #111827;
    border: 1px solid #e5e7eb;
}

.btn-outline-light {
    background: transparent;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.4);
}

.hero-linear .btn-outline-light {
    color: #111827;
    border-color: #cbd5e1;
}

.hero-visual-stage {
    position: relative;
    min-height: 560px;
}

.ring {
    position: absolute;
    border-radius: 999px;
    border: 16px solid #00929e;
    border-left-color: #ffffff;
    border-bottom-color: #ffffff;
    transform: rotate(8deg);
    box-shadow: 0 30px 60px rgba(70, 45, 28, 0.16);
}

.ring-one {
    width: 760px;
    height: 170px;
    top: 40px;
    right: -30px;
}

.ring-two {
    width: 620px;
    height: 130px;
    top: 170px;
    right: 10px;
}

.ring-three {
    width: 430px;
    height: 92px;
    top: 280px;
    right: 110px;
}

.ring-four {
    width: 210px;
    height: 56px;
    top: 380px;
    right: 190px;
}

.section-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
}

.section-head h2 {
    font-size: 30px;
    color: #111827;
}

.section-head a {
    color: #00929e;
    font-weight: 700;
}

.category-showcase-section,
.featured-linear-section,
.corporate-overview-section,
.reference-section-linear,
.usage-section-linear,
.blog-section-linear,
.cta-linear-section {
    padding: 64px 0;
}

.category-grid-linear {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.category-showcase-card {
    position: relative;
    min-height: 180px;
    padding: 20px;
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid rgba(37, 99, 235, 0.35);
    background: #dbeafe;
    color: #fff;
    box-shadow: var(--shadow-sm);
}

.category-style-1 { background: linear-gradient(135deg, #0f172a, #1d4ed8); }
.category-style-2 { background: linear-gradient(135deg, #0f766e, #1d4ed8); }
.category-style-3 { background: linear-gradient(135deg, #1e293b, #6366f1); }
.category-style-4 { background: linear-gradient(135deg, #1f2937, #0ea5e9); }
.category-style-5 { background: linear-gradient(135deg, #7c2d12, #f59e0b); }
.category-style-6 { background: linear-gradient(135deg, #0f172a, #334155); }

.category-count {
    display: inline-flex;
    margin-bottom: 18px;
    background: rgba(255, 255, 255, 0.12);
    padding: 7px 12px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
}

.category-showcase-card h3 {
    font-size: 24px;
    line-height: 1.15;
    margin-bottom: 10px;
}

.category-showcase-card p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
}

.featured-products-linear-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.featured-linear-card {
    background: #ffffff;
    border: 2px solid #5b5b5b;
    border-radius: 14px;
    overflow: hidden;
    min-height: 320px;
}

.featured-linear-thumb {
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f7f7f7;
    padding: 20px;
}

.featured-linear-thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.product-placeholder-shape {
    width: 68%;
    height: 84px;
    border-radius: 999px;
    background: linear-gradient(135deg, #d1d5db, #9ca3af);
    box-shadow: inset 0 0 0 10px #f8fafc;
    position: relative;
}

.product-placeholder-shape::before,
.product-placeholder-shape::after {
    content: "";
    position: absolute;
    inset: -28px 12%;
    border-radius: 999px;
    border: 12px solid #111827;
    opacity: 0.15;
}

.product-placeholder-shape::after {
    inset: 18px 18%;
}

.featured-linear-body {
    padding: 16px 16px 18px;
}

.featured-linear-body span {
    display: block;
    font-size: 12px;
    font-weight: 700;
    color: #6b7280;
    margin-bottom: 8px;
    text-transform: uppercase;
}

.featured-linear-body h3 {
    font-size: 22px;
    line-height: 1.16;
    color: #111827;
}

.dark-banner-section {
    padding: 24px 0 0;
}

.dark-banner-box {
    background: linear-gradient(90deg, #161616, #252525);
    padding: 70px 64px;
    color: #fff;
}

.dark-banner-box p {
    font-size: 18px;
    margin-bottom: 12px;
    color: #f3f4f6;
}

.dark-banner-box h2 {
    font-size: clamp(34px, 4vw, 54px);
    line-height: 1.1;
    margin-bottom: 26px;
    max-width: 920px;
}

.dark-banner-box .btn-outline-light {
    min-height: 52px;
    border-color: #1e90ff;
    color: #fff;
}

.corporate-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
    gap: 28px;
    align-items: start;
}

.corporate-main-card {
    display: grid;
    grid-template-columns: 290px 1fr;
    gap: 22px;
    align-items: start;
}

.corporate-image {
    border-radius: 0;
    min-height: 260px;
    background-size: cover;
    background-position: center;
}

.corporate-image-main {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.3), rgba(37, 99, 235, 0.16)), url('../images/about-home.jpg') center/cover no-repeat;
}

.corporate-image-secondary {
    min-height: 270px;
    background: linear-gradient(135deg, #0f172a, #2563eb);
}

.corporate-image-third {
    min-height: 270px;
    background: linear-gradient(135deg, #334155, #64748b);
}

.corporate-content h2 {
    font-size: 18px;
    margin-bottom: 18px;
}

.corporate-content h3 {
    font-size: 36px;
    line-height: 1.08;
    color: #111827;
    margin-bottom: 16px;
}

.corporate-content p {
    color: #4b5563;
    margin-bottom: 16px;
    font-size: 16px;
}

.corporate-content a,
.blog-body-linear a {
    color: #0f7fd1;
    font-weight: 700;
}

.compact-head {
    margin-bottom: 18px;
}

.corporate-mini-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.corporate-mini-card {
    display: block;
    background: #fff;
}

.corporate-mini-card strong {
    display: block;
    padding-top: 12px;
    font-size: 22px;
    color: #111827;
}

.reference-grid-linear,
.usage-grid-linear,
.blog-grid-linear {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.reference-card-linear,
.blog-card-linear,
.usage-card-linear {
    background: #ffffff;
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid #e5e7eb;
    box-shadow: var(--shadow-sm);
}

.reference-thumb-linear,
.blog-thumb-linear {
    height: 220px;
    background: #dbeafe;
}

.reference-thumb-linear img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-placeholder-bg {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1d4ed8, #0f172a);
}

.reference-body-linear,
.blog-body-linear,
.usage-card-linear {
    padding: 20px;
}

.reference-body-linear span,
.blog-body-linear span {
    display: block;
    font-size: 13px;
    color: #6b7280;
    font-weight: 700;
    margin-bottom: 8px;
}

.reference-body-linear h3,
.blog-body-linear h3,
.usage-card-linear h3 {
    font-size: 24px;
    line-height: 1.15;
    margin-bottom: 12px;
    color: #111827;
}

.reference-body-linear p,
.blog-body-linear p,
.usage-card-linear p {
    color: #4b5563;
    font-size: 15px;
}

.usage-card-linear {
    position: relative;
}

.usage-icon-linear {
    width: 62px;
    height: 62px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #dbeafe, #eff6ff);
    color: #0f7fd1;
    font-size: 28px;
    margin-bottom: 16px;
}

.blog-thumb-linear {
    background: linear-gradient(135deg, #0f172a, #2563eb);
}

.cta-linear-box {
    background: linear-gradient(135deg, #0f172a, #111827);
    border-radius: 22px;
    padding: 48px;
    text-align: center;
    color: #fff;
}

.cta-linear-box h2 {
    font-size: 42px;
    line-height: 1.08;
    margin-bottom: 16px;
}

.cta-linear-box p {
    font-size: 17px;
    color: #cbd5e1;
    max-width: 760px;
    margin: 0 auto 24px;
}

.linear-footer {
    background: linear-gradient(90deg, #181818, #242424);
    color: rgba(255, 255, 255, 0.88);
    margin-top: 16px;
}

.brands-band {
    background: #edf0f2;
    padding: 42px 0;
}

.brands-row {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 16px;
    align-items: center;
    text-align: center;
}

.brands-row span {
    font-size: 30px;
    font-weight: 800;
    color: #2196e6;
    opacity: 0.9;
}

.footer-grid-linear {
    display: grid;
    grid-template-columns: 1.15fr 0.8fr 1fr 1fr;
    gap: 36px;
    padding: 60px 0 36px;
}

.footer-grid-linear h4 {
    color: #fff;
    font-size: 28px;
    margin-bottom: 20px;
}

.footer-logo img {
    height: 58px;
    width: auto;
    margin-bottom: 18px;
}

.footer-text,
.footer-links a,
.footer-contact li {
    color: rgba(255, 255, 255, 0.76);
}

.footer-links,
.footer-contact {
    list-style: none;
}

.footer-links li,
.footer-contact li {
    margin-bottom: 14px;
    line-height: 1.7;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 20px 0;
    text-align: center;
    color: rgba(255, 255, 255, 0.68);
}

@media (max-width: 1180px) {
    .hero-linear-grid,
    .corporate-grid,
    .footer-grid-linear {
        grid-template-columns: 1fr;
    }

    .category-grid-linear,
    .featured-products-linear-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .reference-grid-linear,
    .usage-grid-linear,
    .blog-grid-linear,
    .brands-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .hero-visual-stage {
        min-height: 400px;
    }

    .ring-one { width: 520px; right: 20px; }
    .ring-two { width: 430px; right: 40px; }
    .ring-three { width: 320px; right: 80px; }
    .ring-four { width: 160px; right: 120px; }
}

@media (max-width: 860px) {
    .header-inner {
        justify-content: center;
        padding: 16px 0;
    }

    .main-nav {
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero-linear {
        padding-top: 48px;
    }

    .hero-copy-box {
        padding-left: 0;
    }

    .hero-linear-grid,
    .category-grid-linear,
    .featured-products-linear-grid,
    .reference-grid-linear,
    .usage-grid-linear,
    .blog-grid-linear,
    .corporate-main-card,
    .corporate-mini-grid,
    .brands-row {
        grid-template-columns: 1fr;
    }

    .hero-visual-stage {
        min-height: 280px;
    }

    .ring {
        border-width: 10px;
    }

    .ring-one { width: 320px; height: 80px; top: 20px; right: 0; }
    .ring-two { width: 260px; height: 60px; top: 82px; right: 18px; }
    .ring-three { width: 180px; height: 48px; top: 132px; right: 54px; }
    .ring-four { width: 90px; height: 28px; top: 174px; right: 94px; }

    .dark-banner-box,
    .cta-linear-box {
        padding: 34px 24px;
    }

    .dark-banner-box h2,
    .cta-linear-box h2,
    .corporate-content h3 {
        font-size: 30px;
    }

    .section-title,
    .section-head h2 {
        font-size: 26px;
    }
}
.brands-band {
    background: #f3f4f6;
    padding: 30px 0;
    overflow: hidden;
    border-top: 1px solid #e5e7eb;
    border-bottom: 1px solid #e5e7eb;
}

.brands-slider {
    width: 100%;
    overflow: hidden;
    position: relative;
}

.brands-track {
    display: flex;
    align-items: center;
    gap: 40px;
    width: max-content;
    animation: brandsScroll 22s linear infinite;
}

.brand {
    width: 180px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    padding: 8px 14px;
}

.brand img {
    max-width: 180px;
    max-height: 70px;
    width: auto;
    height: auto;
    object-fit: contain;
    opacity: 1;
    filter: grayscale(0%);
    transition: transform 0.3s ease;
}

.brand:hover img {
    transform: scale(1.08);
}

@keyframes brandsScroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}
.blog-thumb-linear {
    width: 100%;
    height: 220px;
    overflow: hidden;
    border-radius: 14px 14px 0 0;
    background: #f1f5f9;
}

.blog-thumb-linear img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.corporate-image {
    width: 100%;
    overflow: hidden;
    background: #e5e7eb;
}

.corporate-image img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

.corporate-image-main {
    width: 290px;
    min-width: 290px;
    height: 260px;
    border-radius: 0;
}

.corporate-image-secondary,
.corporate-image-third {
    width: 100%;
    height: 270px;
}

.corporate-mini-card strong {
    display: block;
    padding: 14px 0 0;
    font-size: 18px;
    font-weight: 700;
    color: #0f172a;
}
/* =========================
   FONT READABILITY FIX
========================= */

body {
    font-size: 16px;
    line-height: 1.7;
}

p,
li,
a,
button,
input,
textarea,
select {
    font-size: 16px;
}

.main-nav a,
.linear-nav a {
    font-size: 16px;
}

.section-subtitle,
.service-card p,
.project-card p,
.product-card p,
.blog-card p,
.reference-body-linear p,
.blog-body-linear p,
.usage-card-linear p,
.corporate-content p,
.footer-text,
.footer-links a,
.footer-contact li {
    font-size: 16px;
    line-height: 1.7;
}

.lighting-strip-item p,
.project-meta,
.product-meta,
.blog-meta,
.reference-body-linear span,
.blog-body-linear span,
.featured-linear-body span {
    font-size: 15px;
}

.form-group label,
.form-control,
.footer-bottom {
    font-size: 15px;
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }

    .main-nav a,
    .linear-nav a,
    p,
    li,
    a,
    button,
    input,
    textarea,
    select,
    .service-card p,
    .project-card p,
    .product-card p,
    .blog-card p,
    .reference-body-linear p,
    .blog-body-linear p,
    .usage-card-linear p,
    .corporate-content p,
    .footer-text,
    .footer-links a,
    .footer-contact li {
        font-size: 16px;
    }

    .lighting-strip-item p,
    .project-meta,
    .product-meta,
    .blog-meta,
    .reference-body-linear span,
    .blog-body-linear span,
    .featured-linear-body span,
    .form-group label,
    .form-control,
    .footer-bottom {
        font-size: 15px;
    }
}
/* =========================
   MOBILE HAMBURGER MENU
========================= */

.header-right {
    display: flex;
    align-items: center;
    gap: 24px;
}

.mobile-menu-toggle {
    display: none;
    width: 46px;
    height: 46px;
    border: none;
    background: #ffffff;
    border-radius: 10px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
}

.mobile-menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: #111827;
    border-radius: 2px;
    transition: 0.3s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 991px) {
    .header-inner {
        min-height: 78px;
        justify-content: space-between;
        flex-wrap: nowrap;
        position: relative;
    }

    .mobile-menu-toggle {
        display: inline-flex;
    }

    .header-right {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #1f1f1f;
        padding: 18px;
        border-radius: 0 0 16px 16px;
        box-shadow: 0 16px 28px rgba(0, 0, 0, 0.16);
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 18px;
        z-index: 999;
    }

    .header-right.active {
        display: flex;
    }

    .main-nav.linear-nav {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

    .main-nav.linear-nav a {
        display: block;
        width: 100%;
        padding: 12px 14px;
        border-radius: 10px;
        color: #ffffff;
        font-size: 16px;
        background: rgba(255, 255, 255, 0.04);
    }

    .main-nav.linear-nav a.active,
    .main-nav.linear-nav a:hover {
        background: rgba(21, 150, 242, 0.14);
        color: #4fd1ff;
    }

    .header-actions.linear-actions {
        width: 100%;
    }

    .header-actions.linear-actions .btn {
        width: 100%;
    }
}

@media (min-width: 992px) {
    .header-right {
        display: flex !important;
        position: static;
        width: auto;
        background: transparent;
        padding: 0;
        box-shadow: none;
        flex-direction: row;
        align-items: center;
    }
}
/* =========================
   MOBILE HEADER ALIGN FIX
========================= */

@media (max-width: 991px) {

    .header-inner {
        display: flex;
        flex-direction: row !important;
        justify-content: space-between;
        align-items: center;
        padding: 10px 16px;
        min-height: 70px;
    }

    .site-branding {
        flex: 0 0 auto;
    }

    .site-branding img {
        max-height: 46px;
        width: auto;
    }

    .mobile-menu-toggle {
        display: flex;
        margin-left: auto;
    }

}