:root {
    --bg-dark: #000000;
    --bg-section: #0a0e1a;
    --bg-card: #0b0d12;
    --accent: #00d4ff;
    --accent-dim: rgba(0, 212, 255, 0.15);
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border: rgba(148, 163, 184, 0.12);
    --scrollbar-track: var(--bg-section);
    --scrollbar-thumb: rgba(0, 212, 255, 0.38);
    --scrollbar-thumb-hover: rgba(0, 212, 255, 0.62);
    /* Dot + ring; hotspot at center (13, 13) */
    --cursor-site: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='26' height='26' viewBox='0 0 26 26'%3E%3Ccircle cx='13' cy='13' r='2' fill='%2300d4ff'/%3E%3Ccircle cx='13' cy='13' r='9' fill='none' stroke='%2300d4ff' stroke-width='1.2' opacity='0.65'/%3E%3C/svg%3E") 13 13, auto;
}

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

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
}

::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 999px;
    border: 2px solid var(--scrollbar-track);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover);
}

::-webkit-scrollbar-corner {
    background: var(--scrollbar-track);
}

body {
    font-family: 'Noto Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    cursor: var(--cursor-site);
}

a[href],
button,
[role="button"],
[type="submit"],
[type="button"],
[type="reset"],
label[for],
select,
summary {
    cursor: var(--cursor-site);
}

input[type="text"],
input[type="email"],
input[type="search"],
input[type="password"],
input[type="url"],
input[type="tel"],
input[type="number"],
textarea {
    cursor: text;
}

input[type="checkbox"],
input[type="radio"] {
    cursor: var(--cursor-site);
}

::selection {
    background: var(--accent);
    color: var(--bg-dark);
}

::-moz-selection {
    background: var(--accent);
    color: var(--bg-dark);
}

/* Header - Main Site Style */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(5, 8, 16, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.site-header .container {
    max-width: 1400px;
    margin: 0 auto;
    padding-left: 0;
    padding-right: 0;
}

.site-header .header-wrap {
    padding-left: 0;
    padding-right: 0;
}

.header-wrap-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 80px;
    padding: 1rem 0;
}

.site-header .header-wrap-inner {
    padding-left: 0;
    padding-right: 0;
}

.header-wrap-inner .left-part {
    flex: 0 0 116px;
}

.site-branding .logo img {
    width: 100%;
    max-width: 80px;
    height: auto;
    display: block;
    object-fit: contain;
}

.site-branding a {
    text-decoration: none;
    display: block;
    width: 100%;
}

.site-branding .logo {
    width: 100%;
}

.header-wrap-inner .right-part {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-width: 0;
}

.header-wrap-inner .right-part .main-nav {
    flex: 1;
    display: flex;
    justify-content: center;
    min-width: 0;
}

.main-nav-container {
    display: flex;
    justify-content: center;
    width: 100%;
}

.site-header .right-part {
    padding-right: 0;
}

.clb-hamburger {
    flex: 0 0 200px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0;
    padding-right: 0;
}

.main-nav-container .menu {
    display: flex;
    list-style: none;
    gap: 4rem;
    align-items: center;
    margin: 0;
    padding: 0;
    justify-content: center;
}

.main-nav-container .menu-link {
    color: #ffffff;
    text-decoration: none;
    font-size: 16px;
    font-weight: 300;
    transition: color 0.2s;
}

.main-nav-container .menu-link:hover {
    color: var(--accent);
}

.navbar-menu .btn-primary {
    background: #00d4ff;
    color: #000000;
    padding: 9px 18px;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 500 !important;
    white-space: nowrap;
    line-height: 1.4;
}

.navbar-menu .btn-primary:hover {
    background: #00b8e6;
    opacity: 1;
}

/* Mobile hamburger */
.cb-menu-toggle {
    cursor: pointer;
    display: none;
}

.cb-menu-toggle .line-menu {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    margin: 5px 0;
    transition: 0.3s;
}

.cb-menu-toggle input {
    display: none;
}

.cb-menu-toggle input:checked ~ .line-menu:nth-child(2) {
    transform: rotate(45deg) translate(5px, 5px);
}

.cb-menu-toggle input:checked ~ .line-menu:nth-child(3) {
    opacity: 0;
}

.cb-menu-toggle input:checked ~ .line-menu:nth-child(4) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.d-none { display: none !important; }
.d-lg-block { display: none !important; }

@media (min-width: 992px) {
    .d-lg-block { display: block !important; }
}

@media (max-width: 991px) {
    .main-nav-container {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(5, 8, 16, 0.95);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        padding: 1.5rem 1.25rem 1.75rem;
        box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6);
        z-index: 1500;
        max-height: 0;
        opacity: 0;
        visibility: hidden;
        overflow: hidden;
        transition: max-height 0.3s ease, opacity 0.25s ease, visibility 0.25s ease;
        justify-content: flex-end;
        align-items: flex-end;
    }
    .mbl-menu-open .main-nav-container {
        max-height: 400px;
        opacity: 1;
        visibility: visible;
    }
    .mbl-menu-open .menu {
        flex-direction: column;
        align-items: flex-end;
        gap: 1.75rem;
    }
    .main-nav-container .menu-link {
        display: block;
        padding: 0.5rem 0.75rem;
        border-radius: 8px;
        transition: background 0.2s ease, color 0.2s ease;
    }
    .main-nav-container .menu-link:hover {
        background: var(--accent);
        color: var(--bg-dark);
    }
    .cb-menu-toggle { display: block; }
    .navbar-menu .btn-primary {
        display: block !important;
        width: 100%;
        min-width: 140px;
        max-width: 180px;
        text-align: center;
        box-sizing: border-box;
    }
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 7rem 2rem 8rem;
    padding-top: calc(80px + 2rem);
    position: relative;
    background: 
        linear-gradient(135deg, rgba(0, 212, 255, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse 80% 50% at 50% 0%, rgba(0, 212, 255, 0.08) 0%, transparent 50%),
        var(--bg-dark);
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.hero-content {
    max-width: 800px;
    width: 100%;
    text-align: center;
    position: relative;
    box-sizing: border-box;
}

.hero-badge {
    display: inline-block;
    padding: 0.45rem 1.1rem;
    background: var(--accent-dim);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 100px;
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--accent);
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
}

.hero h1 {
    font-size: clamp(1.85rem, 4vw, 2.5rem);
    font-weight: 700;
    line-height: 1.6;
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
}

.hero-sub {
    font-size: clamp(1.2rem, 2.2vw, 1.5rem);
    color: var(--text-secondary);
    max-width: 720px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Hero scroll-down arrow */
.hero-scroll-arrow {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.5rem;
    text-decoration: none;
    border: 2px solid rgba(0, 212, 255, 0.4);
    border-radius: 50%;
    transition: color 0.2s, border-color 0.2s, background 0.2s, transform 0.2s;
    animation: hero-arrow-bounce 2s ease-in-out infinite;
}
.hero-scroll-arrow:hover {
    color: var(--bg-dark);
    background: var(--accent);
    border-color: var(--accent);
    transform: translateX(-50%) translateY(4px);
    animation: none;
}
@keyframes hero-arrow-bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50%  { transform: translateX(-50%) translateY(8px); }
}

.btn-primary {
    background: var(--accent);
    color: var(--bg-dark);
    padding: 0.9rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.2s;
}

.btn-primary:hover {
    opacity: 0.95;
    transform: translateY(-1px);
}

.hero-buttons .btn-primary {
    border: 1px solid transparent;
}
.hero-buttons .btn-primary:hover {
    background: var(--bg-dark);
    border-color: var(--accent);
    color: var(--accent);
    opacity: 1;
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    padding: 0.9rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: border-color 0.2s, color 0.2s;
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* Hero buttons: Contact = visible by default, blue on hover; Request = blue by default, outline on hover */

/* Section Styles */
section {
    padding: 5rem 0rem;
    padding-top: 6.5rem;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    scroll-margin-top: 100px;
    box-sizing: border-box;
}

.section-alt {
    background: var(--bg-section);
}

#benefits,
#applications {
    padding: 2.5rem 2rem;
    padding-top: 6.5rem;
    border-radius: 16px;
    border: 1px solid var(--border);
    overflow: visible;
    box-sizing: border-box;
}

/* Industry row/cards only for "Specific Company Benefits" – don’t affect applications-zone */
#applications .industry-row {
    min-width: 0;
    max-width: 100%;
}

#applications .industry-row .industry-card {
    min-width: 0;
    max-width: 100%;
    box-sizing: border-box;
}

.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-label {
    display: inline-block;
    padding: 0.55rem 1.25rem;
    background: var(--accent-dim);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 100px;
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 3.5vw, 2.75rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-desc {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* How It Works */
.concept-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    padding-inline: 2rem;
    margin-bottom: 2rem;
    text-align: center;
    box-sizing: border-box;
}

.concept-card p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.key-components {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
    margin-top: 0;
    justify-items: center;
    text-align: center;
}

.component-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0 2rem 2rem 2rem;
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
    text-align: center;
    overflow: hidden;
}

.component-card:hover {
    border-color: rgba(0, 212, 255, 0.35);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transform: translateY(-2px);
}

.component-img {
    width: calc(100% + 4rem);
    height: 240px;
    object-fit: cover;
    margin: 0 -2rem 1.25rem -2rem;
    display: block;
}

.component-icon {
    width: 48px;
    height: 48px;
    background: var(--accent-dim);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 1.25rem;
    color: var(--accent);
}
.component-icon i {
    font-size: inherit;
    color: inherit;
}

.component-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--accent);
}

.component-card p {
    color: var(--text-primary);
    font-size: 0.95rem;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

/* Card flex layout */
.component-card,
.value-card,
.feature-card,
.industry-card,
.tech-card {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.component-card {
    padding-top: 0;
}

.code-example {
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 1.1rem;
    color: var(--accent);
    background: rgba(0, 212, 255, 0.08);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

/* Value Props */
.value-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

@media (max-width: 768px) {
    .value-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.value-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2.25rem;
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
    text-align: left;
}

.value-card:hover {
    border-color: rgba(0, 212, 255, 0.35);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transform: translateY(-2px);
}

.value-icon {
    width: 56px;
    height: 56px;
    background: var(--accent-dim);
    border: 1px solid rgba(0, 212, 255, 0.25);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 0 1.5rem 0;
    font-size: 1.5rem;
    color: var(--accent);
}
.value-icon i {
    font-size: inherit;
    color: inherit;
}

.value-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--accent);
}

.value-card p {
    color: var(--text-primary);
    font-size: 0.95rem;
    line-height: 1.65;
}

/* Features: one 3-column grid so video = width of 2 bottom boxes, top-right = same as each bottom box */
.features-showcase {
    display: block;
}

.features-grid-wrap {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
    align-items: stretch;
    min-width: 0;
}

.features-video-wrap {
    grid-column: span 2;
    min-width: 0;
}

.features-top-card {
    grid-column: span 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    min-height: 100%;
}

.features-grid-wrap .feature-card {
    min-width: 0;
}

/* Video area: full frame visible, keep aspect ratio (e.g. 1920x1080 = 16:9) */
.features-video-wrap {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--border);
    aspect-ratio: 16 / 9;
}

.features-video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    position: absolute;
    inset: 0;
}

.video-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 1.5rem;
    background: linear-gradient(180deg, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.1) 40%, rgba(0,0,0,0.5) 100%);
    z-index: 1;
    pointer-events: none;
}

.video-overlay-top {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.video-headline {
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.video-subline {
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 500;
}

.video-overlay-bottom {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.video-overlay-col {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.video-overlay-col span {
    font-size: 0.8rem;
    color: #fff;
    font-weight: 500;
    white-space: nowrap;
}

/* Legacy grid fallback */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--accent-dim);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    margin-bottom: 1.25rem;
    color: var(--accent);
}
.feature-icon i {
    font-size: inherit;
    color: inherit;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.feature-card:hover {
    border-color: rgba(0, 212, 255, 0.35);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transform: translateY(-2px);
}

.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--accent);
}

.feature-card p {
    color: var(--text-primary);
    font-size: 0.95rem;
}

/* Industry Benefits */
/* Applications zone: image left, two cards right (50/50) */
.applications-zone {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 1.25rem;
    align-items: stretch;
    min-width: 0;
}

.applications-media {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
}

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

.applications-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
    padding: 0;
    margin: 0;
}

.applications-zone .industry-card {
    text-align: left;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
}

.applications-zone .industry-icon {
    margin-left: 0;
    margin-right: auto;
}

.applications-zone,
.applications-cards {
    min-width: 0;
}

@media (max-width: 991px) {
    .applications-zone {
        grid-template-columns: 1fr;
    }

    .applications-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

.industry-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin-top: 2rem;
    min-width: 0;
}

@media (max-width: 768px) {
    .industry-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

.industry-icon {
    width: 48px;
    height: 48px;
    background: var(--accent-dim);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    margin-bottom: 1.25rem;
    color: var(--accent);
}
.industry-icon i {
    font-size: inherit;
    color: inherit;
}

.industry-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
    min-width: 0;
    box-sizing: border-box;
}

.industry-card:hover {
    border-color: rgba(0, 212, 255, 0.35);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transform: translateY(-2px);
}

.industry-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--accent);
}

.benefits-list {
    list-style: none;
}

.benefits-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.benefits-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
}

/* Technical Bar */
/* Technical Advantages */
.tech-section-inner {
    display: grid;
    grid-template-columns: 50% 50%;
    gap: 2rem;
    align-items: stretch;
}

.tech-media {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    min-height: 0;
}

.tech-media-img,
.tech-media-video {
    width: 100%;
    height: auto;
    display: block;
    vertical-align: top;
}

.tech-media .tech-media-video {
    object-fit: cover;
}

.tech-section-inner .tech-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 1.25rem;
    height: 100%;
    min-height: 0;
}


.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.tech-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2.25rem;
    text-align: center;
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
}

.tech-card:hover {
    border-color: rgba(0, 212, 255, 0.35);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transform: translateY(-2px);
}

.tech-icon {
    width: 56px;
    height: 56px;
    background: var(--accent-dim);
    border: 1px solid rgba(0, 212, 255, 0.25);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.5rem;
    color: var(--accent);
}
.tech-icon i {
    font-size: inherit;
    color: inherit;
}

.tech-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--accent);
}

.tech-card p {
    color: var(--text-primary);
    font-size: 0.95rem;
    line-height: 1.65;
}

@media (max-width: 991px) {
    .tech-section-inner {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .tech-grid {
        grid-template-columns: 1fr;
    }
}

/* Footer */
footer {
            background: var(--bg-dark); /* pure black */
    padding: 4rem 2rem 2rem;
}

.footer-inner {
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
}

.footer-powered {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.footer-powered a {
    color: var(--accent);
    text-decoration: none;
}

.footer-powered a:hover {
    text-decoration: underline;
}

.footer-social a {
    /* white circle with black icon by default */
    background: #ffffff;
    color: #000000;
    text-decoration: none;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border: 1px solid #000000;
    border-radius: 50%;
}

/* SVG icons should scale with currentColor for easy theming */
.footer-social a svg {
    width: 1em;
    height: 1em;
    display: block;
    fill: currentColor;
}

.footer-social a i {
    color: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* hover effect for LinkedIn, X, Instagram: white border */
.footer-social a:not(.whatsapp):hover {
    background: #000000;
    color: #ffffff;
    border-color: #ffffff;
}

/* whatsapp-specific styling */
.footer-social a.whatsapp {
    background: #25D366;
    color: #ffffff;
    border-color: #25D366;
}
.footer-social a.whatsapp:hover {
    background: #128C7E;
    color: #ffffff;
    border-color: #ffffff;
}

/* footer social icons - centered and spaced */
.footer-social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.footer-logo-wrap {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
    text-align: left;
}

.footer-logo {
    display: block;
    width: 100%;
    text-decoration: none;
}

.footer-logo img {
    width: 100%;
    max-width: 80px;
    height: auto;
    display: block;
    object-fit: contain;
}

.powered-by {
    font-size: 0.5rem;
    color: var(--accent);
    font-weight: 500;
}

.header-logo-wrap {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
    text-align: left;
}

.site-branding {
    text-align: left;
}

.footer-middle {
    text-align: left;
    padding: 1.5rem 0 0 0;
}

.footer-middle p {
    margin: 0;
    font-size: 0.75rem;
    line-height: 1.6;
}

.footer-bottom {
    text-align: center;
    padding-bottom: 1rem;
}

.footer-social .human-support {
    margin-left: 1rem;
    color: var(--text-primary);
    font-size: 1rem;
}

/* right-align icons group within top bar */
.footer-top {
    justify-content: space-between;
}


.footer-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.footer-contact {
    font-size: 1rem;
    color: var(--text-primary);
}

.footer-contact a {
    color: var(--accent);
    text-decoration: none;
}

.footer-contact a:hover {
    text-decoration: underline;
}

/* ========== RESPONSIVE: Tablet (max 991px) ========== */
@media (max-width: 991px) {
    .site-header .container {
        padding-left: 20px;
        padding-right: 20px;
    }

    .clb-hamburger {
        gap: 1rem;
    }

    .header-wrap-inner {
        min-height: 70px;
        padding: 0.75rem 0;
    }

    .header-wrap-inner .left-part {
        flex: 0 0 90px;
    }

    .site-branding .logo img {
        max-width: 65px;
    }

    .footer-logo img {
        max-width: 65px;
    }

    .hero {
        padding: 6rem 1.25rem 4.5rem;
        padding-top: calc(70px + 1.5rem);
        min-height: 60vh;
    }

    .hero-scroll-arrow {
        bottom: 1.5rem;
        width: 42px;
        height: 42px;
        font-size: 1.25rem;
    }

    .hero h1 {
        font-size: clamp(1.4rem, 3vw, 1.75rem);
    }

    .hero-sub {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-buttons .btn-primary {
        width: 100%;
        max-width: 320px;
        text-align: center;
    }

    section {
        padding: 3.5rem 1.5rem;
        padding-top: 4.5rem;
    }

    #benefits,
    #applications {
        padding: 2.5rem 1.5rem;
        padding-top: 4.5rem;
    }

    .section-header {
        margin-bottom: 2.5rem;
    }

    .section-title {
        font-size: clamp(1.75rem, 4vw, 2.25rem);
    }

    .concept-card {
        padding: 1.5rem;
    }

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

    .key-components .component-card {
        width: 100%;
    }

    .component-card,
    .feature-card,
    .value-card,
    .industry-card,
    .tech-card {
        padding: 1.5rem;
    }

    .component-card {
        padding-top: 0;
    }

    .component-img {
        width: calc(100% + 3rem);
        height: 220px;
        margin: 0 -1.5rem 1rem -1.5rem;
    }

    .features-grid-wrap {
        grid-template-columns: 1fr;
    }

    .features-video-wrap {
        grid-column: span 1;
    }

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

    .footer-top {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        text-align: left;
    }

    .footer-social {
        justify-content: flex-end;
        flex-wrap: nowrap;
    }

    .footer-social .human-support {
        width: auto;
        margin-left: 0.75rem;
        margin-top: 0;
    }

    .footer-middle {
        width: 100%;
        padding-top: 1.25rem;
        text-align: left;
    }

    .footer-middle p {
        font-size: 0.8rem;
    }
}

/* ========== RESPONSIVE: Mobile (max 768px) ========== */
@media (max-width: 768px) {
    .site-header .container {
        padding-left: 20px;
        padding-right: 20px;
    }

    .header-wrap-inner .left-part {
        flex: 0 0 110px;
    }

    .site-branding .logo img {
        max-width: 58px;
    }

    .footer-logo img {
        max-width: 58px;
    }

    .hero {
        padding: 4rem 1rem 4rem;
        padding-top: calc(80px + 3.5rem);
        min-height: 100vh;
        min-height: 100dvh;
        align-items: center;
        justify-content: flex-start;
    }

    .hero-content {
        padding: 0 0.5rem;
        max-width: 100%;
    }

    .hero-scroll-arrow {
        bottom: 1.25rem;
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }

    .hero h1 {
        font-size: 1.5rem;
        line-height: 1.55;
        word-wrap: break-word;
        overflow-wrap: break-word;
        margin-bottom: 1.5rem;
    }

    .hero-sub {
        font-size: 1.05rem;
        margin-bottom: 1.25rem;
        max-width: 100%;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    .hero-buttons .btn-primary {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
        width: auto;
        max-width: 240px;
        box-sizing: border-box;
    }

    section {
        padding: 3rem 1rem;
        padding-top: 4rem;
    }

    #benefits,
    #applications {
        padding: 2.5rem 1rem;
        padding-top: 4rem;
    }

    .section-header {
        margin-bottom: 2rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .section-desc {
        font-size: 0.9rem;
    }

    .concept-card {
        padding: 1.25rem;
        margin-bottom: 1.5rem;
    }

    .concept-card p {
        font-size: 0.95rem;
    }

    h3[style*="text-align: center"] {
        font-size: 1.1rem !important;
        margin: 2rem 0 1rem !important;
    }

    .key-components {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .key-components .component-card {
        width: 100%;
        max-width: 100%;
    }

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

    .features-grid-wrap {
        grid-template-columns: 1fr;
    }

    .features-video-wrap {
        grid-column: span 1;
    }

    .video-overlay-bottom {
        gap: 1rem;
    }

    .video-overlay-col span {
        font-size: 0.7rem;
    }

    .industry-row {
        grid-template-columns: repeat(2, 1fr);
        margin-top: 1.5rem;
    }

    .tech-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .component-card,
    .feature-card,
    .value-card,
    .industry-card,
    .tech-card {
        padding: 1.25rem;
    }

    .component-card {
        padding-top: 0;
    }

    .component-img {
        width: calc(100% + 2.5rem);
        height: 200px;
        margin: 0 -1.25rem 1rem -1.25rem;
    }

    .component-icon,
    .value-icon,
    .tech-icon,
    .feature-icon,
    .industry-icon {
        width: 48px;
        height: 48px;
        font-size: 1.25rem;
        margin-bottom: 1rem;
    }

    .component-card h3,
    .value-card h3,
    .feature-card h3,
    .industry-card h3,
    .tech-card h3 {
        font-size: 1.05rem;
    }

    .component-card p,
    .value-card p,
    .feature-card p,
    .industry-card p,
    .tech-card p {
        font-size: 0.9rem;
    }

    footer {
        padding: 2.5rem 1rem 1.5rem;
    }

    .footer-top {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        text-align: left;
        padding-bottom: 1rem;
    }

    .footer-social {
        justify-content: flex-end;
        flex-wrap: nowrap;
    }

    .footer-social .human-support {
        width: auto;
        margin-top: 0;
        margin-left: 0.75rem;
    }

    .footer-middle {
        width: 100%;
        padding-top: 1.25rem;
    }

    .footer-logo img {
        max-width: 65px;
    }

    .footer-middle p {
        font-size: 0.7rem;
        line-height: 1.5;
    }
}

/* ========== RESPONSIVE: Small Mobile (max 480px) ========== */
@media (max-width: 480px) {
    .site-header .container {
        padding-left: 20px;
        padding-right: 20px;
    }

    .header-wrap-inner {
        min-height: 60px;
    }

    .header-wrap-inner .left-part {
        flex: 0 0 95px;
    }

    .site-branding .logo img {
        max-width: 50px;
    }

    .footer-logo img {
        max-width: 50px;
    }

    .hero {
        padding: 3.5rem 0.75rem 4.5rem;
        padding-top: calc(60px + 3.5rem);
        min-height: 100vh;
        min-height: 100dvh;
    }

    .hero-scroll-arrow {
        bottom: 1.25rem;
    }

    .hero-content {
        padding: 0 0.25rem;
    }

    .hero-buttons .btn-primary {
        max-width: 220px;
        padding: 0.5rem 0.9rem;
        font-size: 0.8rem;
    }

    .hero h1 {
        font-size: 1.35rem;
        margin-bottom: 1.5rem;
    }

    .hero-badge {
        font-size: 1rem;
        padding: 0.4rem 0.9rem;
    }

    .section-label {
        font-size: 1.05rem;
        padding: 0.45rem 1rem;
    }

    section {
        padding: 2.5rem 0.75rem;
        padding-top: 3.5rem;
    }

    #benefits,
    #applications {
        padding: 2rem 0.75rem;
        padding-top: 3.5rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .concept-card,
    .component-card,
    .feature-card,
    .value-card,
    .industry-card,
    .tech-card {
        padding: 1rem;
    }

    .component-card {
        padding-top: 0;
    }

    .component-img {
        width: calc(100% + 2rem);
        height: 180px;
        margin: 0 -1rem 0.75rem -1rem;
    }

    .mbl-menu-open .main-nav-container {
        padding: 1.5rem;
    }

    .footer-social a {
        width: 36px;
        height: 36px;
        font-size: 0.9rem;
    }
}