:root {
    /* Brand Color Palette */
    --bg-dark: #0a0514;
    --bg-card: rgba(255, 255, 255, 0.03);
    --text-main: #ffffff;
    --text-muted: #a09eb0;
    --primary-color: #ff2a85;
    --secondary-color: #5522ff;
    --glass-border: rgba(255, 255, 255, 0.08);
    --section-gap: 5rem;
    --content-max: 1200px;
    --nav-height: 92px;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--nav-height) + 1.5rem);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    overflow-x: hidden;
    line-height: 1.6;
}

.bg-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(140px);
    z-index: -1;
    opacity: 0.35;
    animation: drift 20s infinite alternate ease-in-out;
}

.blob-1 {
    width: 600px;
    height: 600px;
    background: var(--secondary-color);
    top: -15%;
    left: -10%;
}

.blob-2 {
    width: 500px;
    height: 500px;
    background: var(--primary-color);
    bottom: -10%;
    right: -10%;
    animation-delay: -10s;
}

@keyframes drift {
    0% {
        transform: translate(0, 0) scale(1);
    }

    100% {
        transform: translate(120px, 60px) scale(1.15);
    }
}

/* Global Utilities */
a {
    text-decoration: none;
    color: inherit;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.text-center {
    text-align: center;
}

.mt-2 {
    margin-top: 1rem;
}

.mt-3 {
    margin-top: 2rem;
}

.mt-4 {
    margin-top: 3rem;
}

.mb-4 {
    margin-bottom: 3rem;
}

.w-100 {
    width: 100%;
}

/* Navigation */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 6%;
    min-height: 92px;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    background: rgba(10, 5, 20, 0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.logo-container {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.brand-logo {
    height: 76px;
    width: auto;
    max-width: 280px;
    object-fit: contain;
    transition: opacity 0.3s ease;
}

.brand-logo:hover {
    opacity: 0.9;
}

.footer-logo {
    height: 88px;
    width: auto;
    max-width: 300px;
    object-fit: contain;
}

.footer-tagline {
    margin-top: 0.75rem;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-muted);
    transition: color 0.3s;
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

/* Buttons */
.btn {
    padding: 0.8rem 2rem;
    border-radius: 40px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    box-shadow: 0 4px 20px rgba(255, 42, 133, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 42, 133, 0.6);
}

.btn-secondary {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    color: white;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-3px);
}

.btn-outline {
    border: 1px solid rgba(255, 42, 133, 0.6);
    color: white;
    background: transparent;
}

.btn-outline:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(255, 42, 133, 0.4);
}

.btn-lg {
    padding: 1rem 2.5rem;
}

/* Layouts */
section {
    padding: var(--section-gap) 6%;
    scroll-margin-top: calc(var(--nav-height) + 1.5rem);
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2,
.section-header h2,
.industries h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 0.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.05rem;
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.6;
}

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

.section-title p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

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

.grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.expertise .grid.grid-3 {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
}

.expertise .grid.grid-3 .expert-card {
    flex: 0 1 calc(33.333% - 1.34rem);
    max-width: calc(33.333% - 1.34rem);
    min-width: 260px;
}

/* Flexible */

/* Glass Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem 1.75rem;
    backdrop-filter: blur(12px);
    transition: border-color 0.3s ease, background 0.3s ease, transform 0.3s ease;
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-3px);
    border-color: rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.04);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    margin-top: 40px;
}

.hero h1 {
    font-size: clamp(3rem, 6vw, 4.8rem);
    line-height: 1.15;
    margin-bottom: 1.8rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.hero p {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 650px;
    margin-bottom: 2.5rem;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    justify-content: center;
    flex-wrap: wrap;
    padding-top: 2rem;
    margin-top: 1rem;
    border-top: 1px solid var(--glass-border);
    max-width: 720px;
    width: 100%;
}

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

.stat-number {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-main);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* About Section */
.section-badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    background: rgba(255, 42, 133, 0.1);
    border: 1px solid rgba(255, 42, 133, 0.3);
    color: var(--primary-color);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-content h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.about-content p {
    color: var(--text-muted);
    margin-bottom: 1.25rem;
    font-size: 1.05rem;
    line-height: 1.75;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.mission-vision {
    display: flex;
    gap: 2rem;
    margin-top: 3rem;
}

.mv-card {
    flex: 1;
    background: rgba(255, 255, 255, 0.06);
    padding: 2rem 1.75rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.06);
    transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.mv-card:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 42, 133, 0.3);
    box-shadow: 0 8px 32px rgba(255, 42, 133, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.mv-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    font-weight: 700;
    color: #ffffff;
}

.mv-card p {
    font-size: 1rem;
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.75;
}

/* Expertise Cards */
.expert-card .card-icon {
    font-size: 1.75rem;
    margin-bottom: 0.85rem;
    opacity: 0.9;
}

.expert-card h3 {
    margin-bottom: 0.75rem;
    font-size: 1.15rem;
    font-weight: 600;
}

.expert-card p {
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.65;
}

/* Tag Cloud (Industries) */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-top: 3rem;
}

.tag {
    padding: 0.8rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.tag:hover {
    background: rgba(255, 42, 133, 0.08);
    border-color: rgba(255, 42, 133, 0.35);
}

.cta-banner {
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
    padding: 2.5rem 2rem;
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.02);
}

.cta-banner h3 {
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.cta-banner p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}

/* Contact Section */
.contact-info h2,
.contact-form h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.contact-info > p,
.contact-form > p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.contact-layout {
    align-items: stretch;
}

.contact-info ul {
    list-style: none;
    margin-top: 2rem;
}

.contact-info li {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    align-items: flex-start;
}

.contact-info .icon {
    font-size: 1.5rem;
}

.contact-info a {
    color: var(--primary-color);
}

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

.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: white;
    font-family: 'Inter', sans-serif;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(0, 0, 0, 0.4);
}

.form-feedback {
    margin-bottom: 1rem;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
}

.form-feedback-success {
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid rgba(34, 197, 94, 0.4);
    color: #86efac;
}

.form-feedback-error {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.4);
    color: #fca5a5;
}

/* Admin Page */
.admin-page .admin-main {
    padding-top: 12vh;
    padding-bottom: 4rem;
    min-height: 100vh;
}

.admin-panel {
    max-width: 420px;
    margin: 0 auto;
}

.admin-panel h1,
.admin-dashboard h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.admin-subtitle {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.admin-actions {
    display: flex;
    gap: 0.75rem;
}

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

.stat-card {
    text-align: center;
    padding: 1.5rem;
}

.stat-card .stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
}

.stat-card .stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.inquiries-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.inquiry-card {
    padding: 1.5rem 2rem;
}

.inquiry-unread {
    border-color: rgba(255, 42, 133, 0.4);
    background: rgba(255, 42, 133, 0.05);
}

.inquiry-header h3 {
    font-size: 1.1rem;
    margin-bottom: 0.35rem;
}

.inquiry-meta {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.inquiry-message {
    color: var(--text-muted);
    white-space: pre-wrap;
    margin-bottom: 1rem;
}

.inquiry-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: 3rem;
    border: 1px dashed var(--glass-border);
    border-radius: 16px;
}

/* Products Page Specifically */
.page-header {
    padding-top: 15vh;
    padding-bottom: 5vh;
}

.page-header h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 0.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.page-header p {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 520px;
    margin: 0 auto;
}

.product-highlight {
    border: 1px solid rgba(255, 42, 133, 0.2);
    background: linear-gradient(180deg, rgba(255, 42, 133, 0.04) 0%, rgba(10, 5, 20, 0) 100%);
    margin-bottom: 3rem;
    padding: 2.5rem;
}

.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.product-highlight h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

.product-highlight .lead {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 0;
    max-width: 800px;
}

.product-highlight-layout {
    align-items: center;
    gap: 3rem;
}

.product-highlight-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-highlight-image .product-img {
    max-height: 260px;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 8px;
}

.nanomaterials-block {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
}

.product-lineup {
    margin-bottom: 2rem;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
}

.product-lineup-img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
}

.product-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    line-height: 1.3;
    font-weight: 600;
}

.spec-list h3,
.tech-params h3 {
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.spec-list ul {
    list-style: none;
}

.spec-list li {
    margin-bottom: 0.8rem;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--text-muted);
}

.chk {
    color: var(--primary-color);
    font-weight: bold;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
}

.specs-table td {
    padding: 0.8rem;
    border-bottom: 1px solid var(--glass-border);
    color: var(--text-muted);
}

.specs-table tr td:first-child {
    font-weight: 600;
    color: var(--text-main);
    width: 40%;
}

.specs-table.small td {
    padding: 0.5rem 0;
    font-size: 0.9rem;
}

.applications-box {
    background: rgba(255, 255, 255, 0.05);
    padding: 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    border-left: 3px solid var(--secondary-color);
    color: var(--text-muted);
}

.section-divider {
    padding: 3rem 0 1.5rem;
    border-top: 1px solid var(--glass-border);
    margin-top: 2rem;
    text-align: center;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.product-grid.product-grid-4 {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    max-width: var(--content-max);
    margin-left: auto;
    margin-right: auto;
}

.product-img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

.floating-img {
    animation: float 8s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-6px);
    }

    100% {
        transform: translateY(0px);
    }
}

.product-card>p {
    color: var(--text-muted);
    font-size: 0.88rem;
    line-height: 1.6;
}

.product-grid-4 .product-card {
    padding: 1.35rem 1.15rem;
}

.product-grid-4 .product-card h3 {
    font-size: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--glass-border);
    margin-bottom: 0.75rem;
}

.advantages,
.apps {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.advantages strong,
.apps strong {
    color: var(--text-main);
    display: block;
    margin-bottom: 0.2rem;
}

/* Footer */
.footer {
    border-top: 1px solid var(--glass-border);
    padding: 3rem 0;
    margin-top: 4rem;
    background: rgba(0, 0, 0, 0.3);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: color 0.3s;
}

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

.text-link {
    color: var(--text-muted);
    text-decoration: none;
    transition: 0.3s;
}

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

.copyright {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 1.5rem;
}

/* Entry Animations */
.fade-in {
    opacity: 0;
    transform: translateY(40px);
    animation: fadeInUp 1s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.delay-1 {
    animation-delay: 0.1s;
}

.delay-2 {
    animation-delay: 0.2s;
}

.delay-3 {
    animation-delay: 0.3s;
}

.delay-4 {
    animation-delay: 0.4s;
}

.delay-5 {
    animation-delay: 0.5s;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

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

/* Responsive constraints */
@media (max-width: 900px) {

    .dual-col {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .product-grid:not(.product-grid-4) {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .product-grid.product-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-stats {
        flex-direction: column;
        gap: 1.25rem;
        text-align: center;
    }

    .nav-links {
        display: none;
    }

    .navbar {
        min-height: 80px;
        padding: 0.65rem 5%;
    }

    :root {
        --nav-height: 80px;
    }

    .brand-logo {
        height: 64px;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
    }

    .mission-vision {
        flex-direction: column;
    }

    .expertise .grid.grid-3 .expert-card {
        flex: 1 1 100%;
        max-width: 100%;
    }

    .product-highlight-layout {
        grid-template-columns: 1fr;
    }

    .product-highlight-image .product-img {
        max-height: 220px;
    }
}

@media (max-width: 600px) {
    .product-grid.product-grid-4 {
        grid-template-columns: 1fr;
    }
}