/* ============================================
   NexBot Robotics - Main Stylesheet
   A futuristic AI robotics company website
   ============================================ */

/* ===== CSS Variables ===== */
:root {
    --bg-color: #0a0a0a;
    --bg-secondary: #111111;
    --bg-card: #141414;
    --text-color: #ffffff;
    --text-secondary: #888888;
    --text-muted: #555555;
    --accent-color: #00d4ff;
    --accent-secondary: #0066ff;
    --accent-gradient: linear-gradient(135deg, #00d4ff, #0066ff);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(0, 212, 255, 0.3);
    --max-width: 1400px;
    --section-gap: 80px;
    --header-height: 72px;
    --radius: 4px;
    --radius-lg: 8px;
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: 0.3s var(--ease-out);
    --transition-normal: 0.4s var(--ease-out);
    --transition-slow: 0.8s var(--ease-out);
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-size: clamp(1rem, 1.2vw, 1.125rem);
    line-height: 1.7;
    letter-spacing: 0.01em;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

/* ===== Particle Canvas ===== */
#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* ===== Container ===== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 clamp(20px, 4vw, 60px);
}

/* ===== Typography ===== */
.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
    position: relative;
    padding-left: 2rem;
}

.section-tag::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 1.2rem;
    height: 1px;
    background: var(--accent-color);
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

.section-header {
    margin-bottom: 4rem;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    border-radius: var(--radius);
}

.btn-primary {
    background: var(--accent-gradient);
    color: #000;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.15);
}

.btn-primary:hover {
    box-shadow: 0 0 40px rgba(0, 212, 255, 0.3);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--text-color);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.1);
}

.btn-text {
    background: none;
    padding: 0;
    color: var(--accent-color);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.btn-text:hover {
    color: var(--text-color);
}

.btn-text .arrow {
    display: inline-block;
    transition: transform var(--transition-fast);
    margin-left: 0.5rem;
}

.btn-text:hover .arrow {
    transform: translateX(4px);
}

.btn-large {
    padding: 1.125rem 3rem;
    font-size: 1rem;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
    transition: all var(--transition-normal);
    background: transparent;
}

.header--scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 clamp(20px, 4vw, 60px);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    z-index: 1001;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 0.1em;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-link {
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent-color);
    transition: width var(--transition-fast);
}

.nav-link:hover {
    color: var(--text-color);
}

.nav-link:hover::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-divider {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.nav-lang {
    font-size: 0.8125rem;
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 1.5px;
    background: var(--text-color);
    transition: all var(--transition-fast);
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 5px);
}

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

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -5px);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    padding: 100px 0 60px;
    overflow: hidden;
}

/* Hero Background Container */
.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-bg-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.05);
    animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
    0% { transform: scale(1.05); }
    100% { transform: scale(1.12); }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(10, 10, 10, 0.4) 0%,
        rgba(10, 10, 10, 0.6) 50%,
        rgba(10, 10, 10, 0.95) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 1200px;
    padding: 0 2rem;
    opacity: 0;
    transform: translateY(40px);
    animation: heroFadeIn 1.2s var(--ease-out) 0.3s forwards;
}

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

/* Hero Video Wrapper - Cinematic Style */
.hero-video-wrapper {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1rem;
}

.hero-video-frame {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 12px;
    overflow: hidden;
    background: #000;
    box-shadow: 
        0 0 0 1px rgba(255, 255, 255, 0.05),
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 100px rgba(0, 212, 255, 0.08);
}

.hero-video-frame::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 14px;
    background: linear-gradient(135deg, 
        rgba(0, 212, 255, 0.3) 0%, 
        transparent 40%, 
        transparent 60%, 
        rgba(0, 102, 255, 0.3) 100%);
    z-index: -1;
    opacity: 0.6;
}

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.video-glow {
    position: absolute;
    inset: 0;
    border-radius: 12px;
    pointer-events: none;
    box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.3);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    opacity: 0;
    animation: heroFadeIn 1s var(--ease-out) 1.5s forwards;
}

.hero-scroll-indicator span {
    font-size: 0.6875rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--accent-color), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ===== Products Section ===== */
.products {
    position: relative;
    z-index: 1;
    padding: 40px 0 var(--section-gap);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.product-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.product-card-image {
    position: relative;
    height: 320px;
    overflow: hidden;
}

.product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.product-card:hover .product-card-image img {
    transform: scale(1.05);
}

.product-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--bg-card) 0%, transparent 60%);
}

.product-card-content {
    padding: 2rem;
}

.product-card-title {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.75rem;
}

.product-card-desc {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.product-card-features {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.product-card-features li {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 0.375rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-secondary);
}

/* ===== Fullscreen Product Modules ===== */
.fullscreen-products {
    position: relative;
    z-index: 1;
}

.fullscreen-module {
    padding: var(--section-gap) 0;
    overflow: hidden;
}

.fullscreen-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.fullscreen-module--reverse .fullscreen-content {
    direction: rtl;
}

.fullscreen-module--reverse .fullscreen-content > * {
    direction: ltr;
}

.fullscreen-text {
    max-width: 540px;
}

.fullscreen-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.fullscreen-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.fullscreen-stats {
    display: flex;
    gap: 3rem;
    margin-bottom: 2.5rem;
    padding: 1.5rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--accent-color);
    line-height: 1;
}

.stat-unit {
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent-color);
    margin-top: 0.25rem;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 0.5rem;
}

.fullscreen-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 500px;
}

.parallax-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.1s linear;
}

/* ===== Technology Section ===== */
.technology {
    position: relative;
    z-index: 1;
    padding: var(--section-gap) 0;
    background: var(--bg-secondary);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.tech-card {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    text-align: center;
    transition: all var(--transition-normal);
}

.tech-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.tech-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 1.5rem;
    color: var(--accent-color);
}

.tech-icon svg {
    width: 100%;
    height: 100%;
}

.tech-title {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 1.5rem;
}

.tech-data {
    margin-bottom: 0.5rem;
}

.tech-number {
    font-size: 3.5rem;
    font-weight: 900;
    letter-spacing: -0.03em;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.tech-unit {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-left: 0.25rem;
}

.tech-desc {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.tech-detail {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ===== Applications Section ===== */
.applications {
    position: relative;
    z-index: 1;
    padding: var(--section-gap) 0;
}

.app-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.app-card {
    position: relative;
    height: 400px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
}

.app-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.app-card:hover img {
    transform: scale(1.08);
}

.app-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(10, 10, 10, 0.9) 0%,
        rgba(10, 10, 10, 0.3) 50%,
        rgba(10, 10, 10, 0.1) 100%
    );
    transition: background var(--transition-normal);
}

.app-card:hover .app-card-overlay {
    background: linear-gradient(
        to top,
        rgba(10, 10, 10, 0.95) 0%,
        rgba(10, 10, 10, 0.5) 50%,
        rgba(10, 10, 10, 0.2) 100%
    );
}

.app-card-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem;
    z-index: 2;
}

.app-card-title {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
    transition: color var(--transition-fast);
}

.app-card:hover .app-card-title {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.app-card-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    opacity: 0;
    transform: translateY(10px);
    transition: all var(--transition-normal);
}

.app-card:hover .app-card-desc {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Brand Story Section ===== */
.brand-story {
    position: relative;
    z-index: 1;
    padding: var(--section-gap) 0;
    background: var(--bg-secondary);
}

.brand-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.brand-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
}

.brand-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.brand-metrics {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.brand-metric {
    padding-left: 2rem;
    border-left: 1px solid var(--border-color);
    transition: border-color var(--transition-fast);
}

.brand-metric:hover {
    border-left-color: var(--accent-color);
}

.brand-metric-number {
    font-size: 3rem;
    font-weight: 900;
    letter-spacing: -0.03em;
    color: var(--accent-color);
    line-height: 1;
}

.brand-metric-suffix {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
}

.brand-metric-label {
    display: block;
    font-size: 0.8125rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 0.5rem;
}

/* ===== CTA Section ===== */
.cta {
    position: relative;
    z-index: 1;
    padding: var(--section-gap) 0;
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.cta-desc {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

/* ===== Footer ===== */
.footer {
    position: relative;
    z-index: 1;
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-tagline {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 1rem;
    max-width: 280px;
}

.footer-nav h4,
.footer-social h4 {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
}

.footer-nav a {
    display: block;
    font-size: 0.875rem;
    color: var(--text-muted);
    padding: 0.375rem 0;
    transition: color var(--transition-fast);
}

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

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icons a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.social-icons a:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.social-icons svg {
    width: 16px;
    height: 16px;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* ===== Scroll Reveal Animation ===== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered reveal for grid items */
.products-grid .product-card:nth-child(2) { transition-delay: 0.15s; }
.products-grid .product-card:nth-child(3) { transition-delay: 0.3s; }

.tech-grid .tech-card:nth-child(2) { transition-delay: 0.15s; }
.tech-grid .tech-card:nth-child(3) { transition-delay: 0.3s; }

.app-grid .app-card:nth-child(2) { transition-delay: 0.15s; }
.app-grid .app-card:nth-child(3) { transition-delay: 0.3s; }
.app-grid .app-card:nth-child(4) { transition-delay: 0.45s; }

.brand-metrics .brand-metric:nth-child(2) { transition-delay: 0.15s; }
.brand-metrics .brand-metric:nth-child(3) { transition-delay: 0.3s; }

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    :root {
        --section-gap: 80px;
    }

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

    .fullscreen-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .fullscreen-module--reverse .fullscreen-content {
        direction: ltr;
    }

    .fullscreen-image {
        height: 350px;
    }

    .brand-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

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

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10, 10, 10, 0.98);
        flex-direction: column;
        justify-content: center;
        gap: 2rem;
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }

    .nav--open {
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        font-size: 1.25rem;
    }

    .mobile-toggle {
        display: flex;
    }

    .header-actions .nav-contact,
    .header-actions .nav-divider,
    .header-actions .nav-lang {
        display: none;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

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

    .app-grid {
        grid-template-columns: 1fr;
    }

    .app-card {
        height: 300px;
    }

    .fullscreen-stats {
        gap: 2rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero-content {
        padding: 0 1.5rem;
    }

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

    .hero-video-frame {
        border-radius: 8px;
        box-shadow: 
            0 0 0 1px rgba(255, 255, 255, 0.05),
            0 10px 30px rgba(0, 0, 0, 0.5);
    }

    .hero {
        padding: 80px 0 40px;
    }
}

@media (max-width: 480px) {
    :root {
        --section-gap: 60px;
    }

    .hero-content {
        padding: 0 1rem;
    }

    .hero {
        padding: 70px 0 30px;
    }

    .btn {
        width: 100%;
        max-width: 280px;
    }

    .fullscreen-stats {
        flex-direction: column;
        gap: 1.5rem;
    }

    .brand-metrics {
        gap: 2rem;
    }
}

/* ===== Utility ===== */
body.menu-open {
    overflow: hidden;
}

/* Selection */
::selection {
    background: rgba(0, 212, 255, 0.2);
    color: var(--text-color);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 3px;
}

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