:root {
    --bg-black: #050608;
    --bg-dark: #0a0c13;
    --bg-card: rgba(13, 17, 28, 0.6);
    --bg-card-hover: rgba(20, 26, 42, 0.8);
    --border-silver: rgba(226, 232, 240, 0.08);
    --border-silver-hover: rgba(226, 232, 240, 0.2);
    --border-blue: rgba(0, 102, 255, 0.2);
    --border-blue-hover: rgba(0, 217, 255, 0.5);
    
    --text-white: #ffffff;
    --text-silver: #f4f7fb;
    --text-silver-dark: #ffffff;
    --text-blue: #3b82f6;
    --text-blue-glow: #00f0ff;
    
    --accent-blue: #0066ff;
    --accent-cyan: #00d9ff;
    --accent-silver: #cbd5e1;
    
    --glow-blue: 0 0 20px rgba(0, 102, 255, 0.35);
    --glow-blue-strong: 0 0 35px rgba(0, 217, 255, 0.6);
    --glow-silver: 0 0 20px rgba(226, 232, 240, 0.15);
    
    --font-heading: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
    --font-body: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-quick: all 0.2s ease;
}

/* Base resets & scrollbar */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

a {
    text-decoration: none;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-black);
}

body {
    font-family: var(--font-body);
    color: var(--text-silver);
    background-color: var(--bg-black);
    overflow-x: hidden;
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-white);
    font-weight: 600;
    letter-spacing: -0.02em;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-black);
}
::-webkit-scrollbar-thumb {
    background: rgba(226, 232, 240, 0.15);
    border-radius: 4px;
    border: 2px solid var(--bg-black);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-blue);
    box-shadow: var(--glow-blue);
}

/* Utility styles */
.gradient-text-blue {
    background: linear-gradient(135deg, #ffffff 30%, var(--accent-blue) 70%, var(--text-blue-glow) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient-text-silver {
    background: linear-gradient(135deg, #ffffff 40%, #cbd5e1 70%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.glow-btn {
    position: relative;
    padding: 0.8rem 1.8rem;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-white);
    background: linear-gradient(135deg, var(--accent-blue), #0044bb);
    border: 1px solid rgba(0, 217, 255, 0.3);
    border-radius: 6px;
    cursor: pointer;
    overflow: hidden;
    z-index: 1;
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: var(--glow-blue);
}

.glow-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #00f0ff, var(--accent-blue));
    z-index: -1;
    opacity: 0;
    transition: var(--transition-smooth);
}

.glow-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-blue-strong);
    border-color: #00f0ff;
}

.glow-btn:hover::before {
    opacity: 1;
}

.secondary-btn {
    padding: 0.8rem 1.8rem;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-white);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-silver);
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.secondary-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-silver);
    color: var(--text-white);
    box-shadow: var(--glow-silver);
}

/* Glassmorphism panel */
.glass-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-silver);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 12px;
    transition: var(--transition-smooth);
}

/* Navbar */
.navbar {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 5%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background:
        linear-gradient(180deg, rgba(5, 7, 12, 0.98), rgba(5, 7, 12, 0.9)),
        rgba(5, 6, 8, 0.96);
    border-bottom: 1px solid rgba(0, 217, 255, 0.16);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    transition: var(--transition-smooth);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.42);
}

.navbar.scrolled {
    padding: 0.8rem 5%;
    background: rgba(5, 6, 8, 0.95);
    border-bottom-color: rgba(0, 102, 255, 0.2);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    text-decoration: none;
}

.logo-img {
    width: 100px;
    height: auto;
    transition: var(--transition-smooth);
}

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

.logo-title-img {
    height: 52px;
    width: auto;
    transition: var(--transition-smooth);
}

.logo-title-img:hover {
    transform: scale(1.03);
}

.logo-lockup {
    display: grid;
    gap: 0.05rem;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-white);
    letter-spacing: 0;
    line-height: 1;
}
.logo-text span {
    color: var(--accent-cyan);
    margin-left: 0.18rem;
    text-shadow: 0 0 14px rgba(0, 217, 255, 0.36);
}

.logo-subtext {
    color: #8fa8bb;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    line-height: 1.2;
    text-transform: uppercase;
}

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

.nav-links a {
    text-decoration: none;
    color: #d8e0ea;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    position: relative;
    padding: 0.5rem 0;
    transition: var(--transition-quick);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
    box-shadow: 0 0 8px rgba(0, 217, 255, 0.6);
}

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

.nav-links a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.nav-links a.active {
    color: var(--text-blue-glow);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
    transform: scaleX(1);
    box-shadow: 0 0 8px rgba(0, 217, 255, 0.6);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.mobile-menu-toggle {
    display: none;
    position: relative;
    width: 42px;
    height: 42px;
    padding: 10px;
    border: 1px solid rgba(0, 217, 255, 0.24);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.035);
    color: var(--text-white);
    cursor: pointer;
}

.mobile-menu-toggle span {
    position: absolute;
    left: 10px;
    display: block;
    width: 20px;
    height: 3px;
    margin: 0;
    border-radius: 2px;
    background: currentColor;
    transition: transform 0.22s ease, opacity 0.22s ease;
}

.mobile-menu-toggle span:nth-child(1) {
    top: 11px;
}

.mobile-menu-toggle span:nth-child(2) {
    top: 19px;
}

.mobile-menu-toggle span:nth-child(3) {
    top: 27px;
    left: 20px;
    width: 10px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.cart-icon-btn {
    position: relative;
    background: none;
    border: none;
    cursor: pointer;
    color: #e5e7eb;
    transition: var(--transition-quick);
    padding: 0.5rem;
}

.cart-icon-btn:hover {
    color: var(--text-white);
    transform: scale(1.05);
}

.cart-count {
    position: absolute;
    top: -2px;
    right: -2px;
    background: var(--accent-blue);
    color: var(--text-white);
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--glow-blue);
    border: 1px solid var(--bg-black);
}

/* Hero Section (Fits Viewport, Video Background) */
.hero {
    position: relative;
    width: 100%;
    height: calc(100vh - 76px);
    min-height: 620px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    z-index: 10;
}

.hero-video-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 50% 50%, rgba(5, 6, 8, 0.1) 0%, rgba(5, 6, 8, 0.6) 100%),
        linear-gradient(180deg, rgba(5, 6, 8, 0) 60%, var(--bg-black) 100%);
    backdrop-filter: brightness(0.88);
    -webkit-backdrop-filter: brightness(0.88);
    z-index: -1;
}

.hero-content {
    width: 100%;
    max-width: 860px;
    padding: 0 1.5rem;
    animation: fadeInUp 1s ease-out;
    margin-top: -1rem;
}

.hero-card {
    background: transparent;
    border: 0;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-radius: 0;
    padding: 0;
    box-shadow: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    transition: var(--transition-smooth);
}

.hero-card:hover {
    border-color: transparent;
    box-shadow: none;
}

.hero-tagline {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--accent-cyan);
    margin-bottom: 1.2rem;
    font-weight: 600;
    text-shadow: 0 0 15px rgba(0, 217, 255, 0.6);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 6vw, 5.5rem);
    line-height: 0.98;
    margin-bottom: 1.2rem;
    font-weight: 800;
    text-align: center;
    color: #ffffff;
    letter-spacing: 0;
    text-shadow:
        0 2px 0 rgba(255, 255, 255, 0.08),
        0 18px 45px rgba(0, 0, 0, 0.78),
        0 0 32px rgba(0, 217, 255, 0.16);
}

.hero-title .title-line {
    display: block;
}

.hero-title .title-white {
    color: #ffffff;
}

.hero-title .title-cyan {
    color: #8eeaff;
    text-shadow:
        0 16px 40px rgba(0, 0, 0, 0.78),
        0 0 30px rgba(0, 217, 255, 0.38);
}

.hero-description {
    font-size: clamp(0.95rem, 1.8vw, 1.15rem);
    color: #e4ebf4;
    max-width: 620px;
    margin: 0 auto 2.2rem auto;
    font-weight: 450;
    text-align: center;
    line-height: 1.6;
    text-shadow: 0 14px 32px rgba(0, 0, 0, 0.82);
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

/* Scroll down indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    z-index: 15;
    cursor: pointer;
    opacity: 0.7;
    transition: var(--transition-quick);
}

.scroll-indicator:hover {
    opacity: 1;
    transform: translate(-50%, -3px);
}

.mouse-icon {
    width: 24px;
    height: 38px;
    border: 2px solid var(--text-silver-dark);
    border-radius: 12px;
    position: relative;
}

.mouse-icon .wheel {
    width: 4px;
    height: 8px;
    background-color: var(--accent-cyan);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 2s ease infinite;
}

.scroll-arrows {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.scroll-arrows span {
    display: block;
    width: 6px;
    height: 6px;
    border-bottom: 2px solid var(--text-silver-dark);
    border-right: 2px solid var(--text-silver-dark);
    transform: rotate(45deg);
    margin: -1px;
    animation: scrollArrow 2s infinite;
}

.scroll-arrows span:nth-child(2) {
    animation-delay: 0.2s;
}

@keyframes scrollWheel {
    0% { top: 6px; opacity: 1; }
    50% { top: 16px; opacity: 0; }
    100% { top: 6px; opacity: 1; }
}

@keyframes scrollArrow {
    0% { opacity: 0; transform: rotate(45deg) translate(-3px, -3px); }
    50% { opacity: 1; }
    100% { opacity: 0; transform: rotate(45deg) translate(3px, 3px); }
}

/* Features/Values Section */
.features-section {
    padding: 6rem 5% 4rem 5%;
    position: relative;
    z-index: 15;
    background-color: var(--bg-black);
}

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

.section-tag {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-blue);
    font-weight: 600;
    margin-bottom: 0.75rem;
    display: block;
}

.section-title {
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-subtitle {
    max-width: 600px;
    margin: 0 auto;
    color: var(--text-silver-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    padding: 3rem 2rem;
    text-align: center;
}

.feature-card:hover {
    border-color: var(--border-blue-hover);
    transform: translateY(-5px);
    box-shadow: var(--glow-blue);
}

.feature-icon-wrapper {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem auto;
    background: rgba(0, 102, 255, 0.05);
    border: 1px solid var(--border-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.feature-card:hover .feature-icon-wrapper {
    background: rgba(0, 217, 255, 0.1);
    border-color: var(--accent-cyan);
    box-shadow: 0 0 15px rgba(0, 217, 255, 0.2);
    transform: scale(1.05);
}

.feature-icon-wrapper svg {
    width: 30px;
    height: 30px;
    color: var(--accent-blue);
    transition: var(--transition-smooth);
}

.feature-card:hover .feature-icon-wrapper svg {
    color: var(--accent-cyan);
}

.feature-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.feature-desc {
    font-size: 0.9rem;
    color: var(--text-silver-dark);
}

/* Products Section & Dynamic Filter */
.catalog-section {
    padding: 4rem 5% 6rem 5%;
    position: relative;
    z-index: 15;
}

.catalog-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.6rem 1.5rem;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-silver);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-silver);
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.filter-btn:hover {
    color: var(--text-white);
    border-color: var(--accent-silver);
    background: rgba(255, 255, 255, 0.05);
}

.filter-btn.active {
    color: var(--text-white);
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.2), rgba(0, 217, 255, 0.05));
    border-color: var(--accent-blue);
    box-shadow: 0 0 15px rgba(0, 102, 255, 0.2);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.product-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
    position: relative;
}

.product-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-blue-hover);
    box-shadow: var(--glow-blue);
}

.product-tag {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(5, 6, 8, 0.8);
    border: 1px solid var(--border-blue);
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-family: var(--font-heading);
    font-weight: 500;
    color: var(--accent-cyan);
    z-index: 5;
    letter-spacing: 0.05em;
}

.product-image-container {
    height: 200px;
    width: 100%;
    background: radial-gradient(circle at center, rgba(16, 24, 48, 0.4) 0%, rgba(5, 6, 8, 0.8) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    border-bottom: 1px solid var(--border-silver);
}

.product-image-container svg,
.product-img-vial {
    transition: var(--transition-smooth);
}

.product-card:hover .product-img-vial {
    transform: translateY(-8px) scale(1.05);
    filter: drop-shadow(0 15px 30px rgba(0, 114, 255, 0.4)) !important;
}

.product-info {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-silver-dark);
    margin-bottom: 0.5rem;
}

.product-name {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    transition: var(--transition-quick);
}

.product-card:hover .product-name {
    color: var(--text-white);
}

.product-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--text-silver-dark);
    margin-bottom: 1rem;
    border-bottom: 1px dashed rgba(226, 232, 240, 0.05);
    padding-bottom: 0.75rem;
}
.product-meta span strong {
    color: var(--text-silver);
}

.product-desc-preview {
    font-size: 0.88rem;
    color: var(--text-silver-dark);
    margin-bottom: 1.5rem;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-action-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 1rem;
}

.product-price {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-white);
}
.product-price span {
    font-size: 0.85rem;
    color: var(--text-silver-dark);
    font-weight: 400;
}

.buy-btn {
    width: 44px;
    height: 44px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-silver);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-silver);
    transition: var(--transition-smooth);
}

.buy-btn:hover {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: var(--text-white);
    box-shadow: var(--glow-blue);
    transform: scale(1.05);
}

.buy-btn svg {
    width: 20px;
    height: 20px;
}

/* Quality & Lab Purity Section */
.quality-section {
    padding: 6rem 5%;
    background: linear-gradient(180deg, var(--bg-black) 0%, var(--bg-dark) 50%, var(--bg-black) 100%);
    position: relative;
    z-index: 15;
}

.quality-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.quality-content {
    max-width: 580px;
}

.quality-title {
    font-size: clamp(2rem, 3vw, 2.75rem);
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.quality-text {
    font-size: 1.05rem;
    margin-bottom: 2rem;
    color: var(--text-silver);
}

.accordion {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.accordion-item {
    background: rgba(13, 17, 28, 0.4);
    border: 1px solid var(--border-silver);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.accordion-item.active {
    border-color: rgba(0, 102, 255, 0.3);
    background: rgba(13, 17, 28, 0.8);
    box-shadow: 0 0 15px rgba(0, 102, 255, 0.1);
}

.accordion-header {
    padding: 1.2rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    user-select: none;
}

.accordion-header h4 {
    font-size: 1.05rem;
    font-weight: 500;
}

.accordion-icon {
    width: 20px;
    height: 20px;
    transition: var(--transition-smooth);
    color: var(--accent-silver);
}

.accordion-item.active .accordion-icon {
    transform: rotate(180deg);
    color: var(--accent-cyan);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.accordion-inner-content {
    padding: 0 1.5rem 1.5rem 1.5rem;
    font-size: 0.9rem;
    color: var(--text-silver-dark);
}

/* HPLC Visualisation Panel (Silver/Blue glowing vector) */
.quality-visual {
    position: relative;
    width: 100%;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lab-panel {
    width: 100%;
    height: 100%;
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.lab-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-silver);
    padding-bottom: 0.75rem;
}

.lab-id {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    color: var(--accent-cyan);
}

.lab-status {
    font-size: 0.75rem;
    background: rgba(0, 240, 255, 0.1);
    color: var(--text-blue-glow);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    border: 1px solid rgba(0, 240, 255, 0.2);
}

.hplc-graph {
    width: 100%;
    height: 200px;
    position: relative;
    border-left: 2px solid var(--accent-silver-dark);
    border-bottom: 2px solid var(--accent-silver-dark);
    margin-top: 1rem;
}

.hplc-grid-line {
    position: absolute;
    width: 100%;
    border-top: 1px dashed rgba(226, 232, 240, 0.05);
}

.hplc-grid-line:nth-child(1) { top: 25%; }
.hplc-grid-line:nth-child(2) { top: 50%; }
.hplc-grid-line:nth-child(3) { top: 75%; }

.hplc-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: visible;
}

.hplc-line path {
    fill: none;
    stroke: url(#hplc-gradient);
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
    animation: drawLine 3s ease-out forwards infinite alternate;
}

.hplc-peak-marker {
    position: absolute;
    bottom: 140px;
    left: 55%;
    transform: translateX(-50%);
    background: rgba(5, 6, 8, 0.9);
    border: 1px solid var(--accent-cyan);
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-family: var(--font-heading);
    color: var(--text-white);
    box-shadow: var(--glow-blue);
    opacity: 0;
    animation: fadeInMarker 1s ease-out 1.5s forwards;
}

.hplc-peak-marker span {
    color: var(--accent-cyan);
    font-weight: 700;
}

/* FAQ Accordion Section */
.faq-section {
    padding: 4rem 5% 6rem 5%;
    position: relative;
    z-index: 15;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

/* Footer & Newsletter */
.footer {
    background: #020305;
    border-top: 1px solid var(--border-silver);
    padding: 5rem 5% 2rem 5%;
    position: relative;
    z-index: 15;
}

.footer-top {
    max-width: 1200px;
    margin: 0 auto 4rem auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 3rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.footer-brand p {
    font-size: 0.9rem;
    color: var(--text-silver-dark);
}

.footer-links-col h5 {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-links a {
    text-decoration: none;
    color: var(--text-silver-dark);
    font-size: 0.9rem;
    transition: var(--transition-quick);
}

.footer-links a:hover {
    color: var(--text-white);
    padding-left: 3px;
}

.footer-newsletter h5 {
    font-size: 1rem;
    margin-bottom: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.footer-newsletter p {
    font-size: 0.88rem;
    color: var(--text-silver-dark);
    margin-bottom: 1.5rem;
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
}

.newsletter-input {
    flex-grow: 1;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-silver);
    border-radius: 6px;
    padding: 0.8rem 1rem;
    color: var(--text-white);
    font-family: var(--font-body);
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

.newsletter-input:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 10px rgba(0, 102, 255, 0.2);
}

.newsletter-btn {
    background: var(--text-white);
    color: var(--bg-black);
    border: none;
    border-radius: 6px;
    padding: 0.8rem 1.2rem;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.newsletter-btn:hover {
    background: var(--accent-cyan);
    box-shadow: var(--glow-blue);
    transform: translateY(-1px);
}

.newsletter-success {
    display: none;
    color: var(--text-blue-glow);
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid rgba(226, 232, 240, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    font-size: 0.8rem;
    color: var(--text-silver-dark);
}

.footer-disclaimer {
    max-width: 1200px;
    margin: 2rem auto 0 auto;
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.5;
    text-align: center;
    border-top: 1px dashed rgba(226, 232, 240, 0.03);
    padding-top: 1.5rem;
}

/* CART DRAWERS & OVERLAYS */
.cart-drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(2, 3, 5, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1100;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-smooth);
}

.cart-drawer-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.cart-drawer {
    position: fixed;
    top: 0;
    right: -450px;
    width: 100%;
    max-width: 450px;
    height: 100%;
    background: #080a10;
    border-left: 1px solid var(--border-silver);
    z-index: 1200;
    display: flex;
    flex-direction: column;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    transition: var(--transition-smooth);
}

.cart-drawer.open {
    right: 0;
}

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

.cart-close-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-silver);
    padding: 0.5rem;
    transition: var(--transition-quick);
}

.cart-close-btn:hover {
    color: var(--text-white);
    transform: rotate(90deg);
}

.shipping-progress-container {
    padding: 1rem 1.5rem;
    background: rgba(0, 102, 255, 0.02);
    border-bottom: 1px solid var(--border-silver);
}

.shipping-msg {
    font-size: 0.8rem;
    color: var(--text-silver);
    margin-bottom: 0.5rem;
}
.shipping-msg span {
    color: var(--text-blue-glow);
    font-weight: 600;
}

.shipping-bar-bg {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 2px;
    overflow: hidden;
}

.shipping-bar-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--accent-blue) 0%, var(--accent-cyan) 100%);
    box-shadow: 0 0 10px var(--accent-cyan);
    transition: width 0.5s ease;
}

.cart-items-list {
    flex-grow: 1;
    overflow-y: auto;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.cart-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-silver-dark);
    gap: 1rem;
}

.cart-empty-state svg {
    width: 64px;
    height: 64px;
    opacity: 0.3;
}

.cart-item {
    display: flex;
    gap: 1rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid rgba(226, 232, 240, 0.05);
}

.cart-item-img {
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-silver);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cart-item-img svg {
    width: 32px;
    height: 32px;
    color: var(--accent-blue);
}

.cart-item-details {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.cart-item-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-white);
}

.cart-item-desc {
    font-size: 0.75rem;
    color: var(--text-silver-dark);
}

.cart-item-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 0.5rem;
}

.qty-stepper {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-silver);
    border-radius: 4px;
    overflow: hidden;
}

.qty-btn {
    background: rgba(255, 255, 255, 0.02);
    border: none;
    color: var(--text-silver);
    width: 28px;
    height: 28px;
    cursor: pointer;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-quick);
}

.qty-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-white);
}

.qty-input {
    width: 32px;
    height: 28px;
    border: none;
    background: none;
    border-left: 1px solid var(--border-silver);
    border-right: 1px solid var(--border-silver);
    color: var(--text-white);
    text-align: center;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
}

.cart-item-price {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-white);
    font-size: 0.95rem;
}

.remove-item-btn {
    background: none;
    border: none;
    color: var(--text-silver-dark);
    cursor: pointer;
    font-size: 0.75rem;
    transition: var(--transition-quick);
    text-decoration: none;
}

.remove-item-btn:hover {
    color: #ff3b30;
}

.cart-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-silver);
    background: rgba(5, 6, 8, 0.5);
}

.cart-summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
}

.cart-summary-row.total {
    margin-bottom: 1.5rem;
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-white);
    border-top: 1px dashed rgba(226, 232, 240, 0.1);
    padding-top: 0.75rem;
}

.checkout-btn {
    width: 100%;
}

/* PRODUCT DETAIL MODAL */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(2, 3, 5, 0.75);
    backdrop-filter: blur(8px);
    z-index: 1300;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-smooth);
    padding: 1.5rem;
}

.modal-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.product-modal {
    width: 100%;
    max-width: 800px;
    max-height: 90%;
    background: #080a10;
    border: 1px solid var(--border-silver);
    border-radius: 12px;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    animation: scaleUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.modal-close-btn {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    background: rgba(5, 6, 8, 0.5);
    border: 1px solid var(--border-silver);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-silver);
    cursor: pointer;
    transition: var(--transition-smooth);
    z-index: 10;
}

.modal-close-btn:hover {
    color: var(--text-white);
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-silver);
}

.modal-left {
    background: radial-gradient(circle at center, rgba(16, 24, 48, 0.3) 0%, rgba(5, 6, 8, 0.6) 100%);
    padding: 3rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-right: 1px solid var(--border-silver);
}

.modal-left svg {
    width: 140px;
    height: 140px;
    color: var(--accent-blue);
    filter: drop-shadow(0 0 15px rgba(0, 102, 255, 0.3));
}

.modal-right {
    padding: 3rem 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.modal-title {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.modal-category {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-cyan);
    margin-bottom: 1.5rem;
}

.modal-specs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-silver);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1.5rem;
    font-size: 0.85rem;
}

.spec-item {
    display: flex;
    flex-direction: column;
}
.spec-item span:first-child {
    color: var(--text-silver-dark);
    font-size: 0.75rem;
}
.spec-item span:last-child {
    color: var(--text-white);
    font-weight: 500;
}

.modal-desc {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.modal-coa-box {
    border: 1px dashed var(--border-blue);
    background: rgba(0, 102, 255, 0.02);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.coa-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.coa-info svg {
    width: 28px;
    height: 28px;
    color: var(--accent-cyan);
}

.coa-text h5 {
    font-size: 0.85rem;
    color: var(--text-white);
}

.coa-text p {
    font-size: 0.75rem;
    color: var(--text-silver-dark);
}

.coa-dl-btn {
    background: none;
    border: 1px solid var(--border-silver);
    border-radius: 4px;
    padding: 0.4rem 0.8rem;
    font-size: 0.75rem;
    font-family: var(--font-heading);
    color: var(--text-silver);
    cursor: pointer;
    transition: var(--transition-quick);
}

.coa-dl-btn:hover {
    color: var(--text-white);
    border-color: var(--accent-silver);
    background: rgba(255, 255, 255, 0.05);
}

.modal-action-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid var(--border-silver);
    padding-top: 1.5rem;
    margin-top: auto;
}

.modal-price {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-white);
}

/* CHECKOUT OVERLAY (INTEGRATED POPUP) */
.checkout-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(2, 3, 5, 0.85);
    backdrop-filter: blur(12px);
    z-index: 1400;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-smooth);
    padding: 1.5rem;
}

.checkout-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.checkout-box {
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    background: #080a10;
    border: 1px solid rgba(0, 102, 255, 0.3);
    box-shadow: var(--glow-blue);
    border-radius: 12px;
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.checkout-steps-bar {
    display: flex;
    background: rgba(5, 6, 8, 0.6);
    border-bottom: 1px solid var(--border-silver);
    padding: 1rem 2rem;
    flex-shrink: 0;
}

.step-indicator {
    flex-grow: 1;
    text-align: center;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    color: var(--text-silver-dark);
    position: relative;
}

.step-indicator.active {
    color: var(--text-blue-glow);
    text-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
    font-weight: 600;
}

.step-indicator.completed {
    color: var(--text-white);
}

.checkout-content {
    padding: 2.5rem;
    overflow-y: auto;
    flex-grow: 1;
}

.checkout-step {
    display: none;
}

.checkout-step.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

.checkout-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-top: 1.5rem;
}

.checkout-form-grid .full-width {
    grid-column: span 2;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.8rem;
    color: var(--text-silver);
}

.form-input {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-silver);
    border-radius: 6px;
    padding: 0.8rem 1rem;
    color: var(--text-white);
    font-family: var(--font-body);
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 10px rgba(0, 102, 255, 0.2);
}

/* Card Visualizer inside checkout */
.card-visualizer {
    background: linear-gradient(135deg, #10162a 0%, #080a10 100%);
    border: 1px solid rgba(226, 232, 240, 0.1);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
    height: 160px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

.card-visualizer::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(0, 102, 255, 0.15) 0%, transparent 70%);
    z-index: 1;
    pointer-events: none;
}

.card-vis-chip {
    width: 38px;
    height: 28px;
    background: linear-gradient(135deg, #cbd5e1 0%, #64748b 100%);
    border-radius: 4px;
    z-index: 2;
}

.card-vis-number {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--text-white);
    letter-spacing: 0.15em;
    z-index: 2;
    margin: 1rem 0;
}

.card-vis-row {
    display: flex;
    justify-content: space-between;
    z-index: 2;
}

.card-vis-name, .card-vis-expiry {
    display: flex;
    flex-direction: column;
}
.card-vis-name span:first-child, .card-vis-expiry span:first-child {
    font-size: 0.6rem;
    color: var(--text-silver-dark);
    text-transform: uppercase;
}
.card-vis-name span:last-child, .card-vis-expiry span:last-child {
    font-size: 0.8rem;
    color: var(--text-white);
}

.checkout-review-summary {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid var(--border-silver);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.review-item-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.88rem;
    margin-bottom: 0.75rem;
}

.checkout-action-row {
    display: flex;
    justify-content: space-between;
    margin-top: 2rem;
}

.checkout-success-view {
    text-align: center;
    padding: 2rem 0;
}

.success-icon-wrapper {
    width: 80px;
    height: 80px;
    margin: 0 auto 2rem auto;
    background: rgba(0, 240, 255, 0.05);
    border: 1px solid rgba(0, 240, 255, 0.3);
    box-shadow: 0 0 25px rgba(0, 240, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.success-icon-wrapper svg {
    width: 40px;
    height: 40px;
    color: var(--text-blue-glow);
}

.checkout-success-view h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.checkout-success-view p {
    font-size: 0.95rem;
    color: var(--text-silver);
    margin-bottom: 2rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scaleUp {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes drawLine {
    to {
        stroke-dashoffset: 0;
    }
}

@keyframes fadeInMarker {
    to {
        opacity: 1;
    }
}

/* Expanded Quality Page */
.quality-standards-section {
    padding: 5rem 5%;
    background:
        radial-gradient(circle at 50% 0%, rgba(0, 102, 255, 0.08), transparent 42%),
        var(--bg-black);
}

.quality-section-heading {
    max-width: 760px;
    margin: 0 auto 2.5rem;
    text-align: center;
}

.quality-section-heading p {
    margin-top: 1rem;
    line-height: 1.75;
    color: var(--text-silver);
}

.quality-metrics-grid {
    width: min(1200px, 100%);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

.quality-metric-card {
    padding: 1.75rem;
    min-height: 225px;
    border-top: 2px solid rgba(0, 217, 255, 0.7);
}

.quality-metric-number {
    display: block;
    margin-bottom: 1.25rem;
    color: var(--accent-cyan);
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.04em;
}

.quality-metric-card h3 {
    margin-bottom: 0.75rem;
    color: var(--text-white);
    font-size: 1rem;
}

.quality-metric-card p {
    color: var(--text-silver);
    font-size: 0.86rem;
    line-height: 1.65;
}

.quality-workflow-section {
    padding: 5rem 5% 6rem;
    background: linear-gradient(180deg, var(--bg-black), var(--bg-dark));
    border-top: 1px solid var(--border-silver);
}

.quality-workflow-layout {
    width: min(1180px, 100%);
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
    gap: 3rem;
    align-items: start;
}

.quality-steps {
    margin-top: 2rem;
    display: grid;
    gap: 0.75rem;
}

.quality-step {
    display: grid;
    grid-template-columns: 54px 1fr;
    gap: 1rem;
    align-items: start;
    padding: 1.25rem;
    border: 1px solid var(--border-silver);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.018);
}

.quality-step-index {
    color: var(--accent-cyan);
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.quality-step h3 {
    margin-bottom: 0.35rem;
    color: var(--text-white);
    font-size: 1rem;
}

.quality-step p {
    color: var(--text-silver);
    font-size: 0.84rem;
    line-height: 1.6;
}

.quality-document-panel {
    padding: 2rem;
    position: sticky;
    top: 110px;
}

.quality-document-header {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-silver);
    color: var(--text-silver);
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.12em;
}

.quality-document-status {
    color: #59f1a7;
}

.quality-document-panel h3 {
    margin-bottom: 1.25rem;
    font-size: 1.3rem;
}

.quality-document-list {
    list-style: none;
    display: grid;
}

.quality-document-list li {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.9rem 0;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.12);
    color: var(--text-silver);
    font-size: 0.82rem;
}

.quality-document-list strong {
    color: var(--text-white);
    font-size: 0.72rem;
    text-transform: uppercase;
}

.quality-document-note {
    margin: 1.5rem 0;
    padding: 1rem;
    border-left: 2px solid var(--accent-cyan);
    background: rgba(0, 217, 255, 0.04);
}

.quality-document-note strong {
    display: block;
    margin-bottom: 0.4rem;
    color: var(--text-white);
    font-size: 0.82rem;
}

.quality-document-note p {
    color: var(--text-silver);
    font-size: 0.76rem;
    line-height: 1.55;
}

.quality-document-cta {
    width: 100%;
    justify-content: center;
}

/* Responsive breakdowns */
@media (max-width: 900px) {
    .navbar {
        padding: 0.9rem 1.4rem;
    }
    .navbar.scrolled {
        padding: 0.8rem 2rem;
    }
    .nav-links {
        display: none; /* Hide standard nav list on tablets/mobiles for simplicity */
    }
    .mobile-menu-toggle {
        display: flex;
    }
    .nav-links.mobile-open {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        display: flex;
        align-items: stretch;
        flex-direction: column;
        gap: 0;
        padding: 0.65rem 1.4rem 1rem;
        background: rgba(5, 7, 12, 0.985);
        border-bottom: 1px solid rgba(0, 217, 255, 0.18);
        box-shadow: 0 18px 36px rgba(0, 0, 0, 0.48);
    }
    .nav-links.mobile-open a {
        display: block;
        padding: 0.9rem 0.25rem;
    }
    .nav-actions {
        gap: 0.8rem;
    }
    .nav-actions .glow-btn {
        padding: 0.72rem 1rem;
        font-size: 0.85rem;
    }
    .hero {
        height: auto;
        min-height: 680px;
        padding: 5.5rem 0 4rem;
    }
    .hero-title {
        font-size: clamp(2.55rem, 10vw, 4.2rem);
    }
    .quality-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .quality-metrics-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .quality-workflow-layout {
        grid-template-columns: 1fr;
    }
    .quality-document-panel {
        position: static;
    }
    .footer-top {
        grid-template-columns: 1fr 1fr;
    }
    .product-modal {
        grid-template-columns: 1fr;
    }
    .modal-left {
        border-right: none;
        border-bottom: 1px solid var(--border-silver);
        padding: 2rem;
    }
    .modal-left svg {
        width: 100px;
        height: 100px;
    }
    .modal-right {
        padding: 2rem;
    }
}

@media (max-width: 600px) {
    html,
    body {
        max-width: 100%;
        overflow-x: hidden;
    }
    .logo-img {
        width: 48px;
    }
    .quality-standards-section,
    .quality-workflow-section {
        padding: 4rem 1.25rem;
    }
    .quality-metrics-grid {
        grid-template-columns: 1fr;
    }
    .quality-metric-card {
        min-height: 0;
    }
    .quality-step {
        grid-template-columns: 42px 1fr;
        padding: 1rem;
    }
    .quality-document-panel {
        padding: 1.4rem;
    }
    .logo-title-img {
        height: 25px;
    }
    .logo-text {
        font-size: 1.05rem;
    }
    .logo-subtext {
        display: none;
    }
    .nav-actions .glow-btn {
        display: none;
    }
    .hero {
        width: 100vw;
        max-width: 100vw;
        min-height: 620px;
        padding-top: 4.5rem;
    }
    .hero-content {
        padding: 0 1.1rem;
        width: 100vw;
        max-width: 100vw;
    }
    .hero-card {
        width: 100%;
        max-width: 100%;
    }
    .hero-title {
        font-size: clamp(2rem, 9.5vw, 2.35rem);
        line-height: 1.04;
        max-width: 100%;
    }
    .hero-description {
        font-size: 0.98rem;
        margin-bottom: 1.8rem;
        max-width: 100%;
    }
    .hero-actions {
        width: 100%;
        gap: 0.9rem;
        flex-direction: column;
        align-items: center;
    }
    .hero-actions .glow-btn,
    .hero-actions .secondary-btn {
        width: 280px;
        max-width: 100%;
    }
    .footer-top {
        grid-template-columns: 1fr;
    }
    .newsletter-form {
        flex-direction: column;
    }
    .checkout-form-grid {
        grid-template-columns: 1fr;
    }
    .checkout-form-grid .full-width {
        grid-column: span 1;
    }
    .checkout-box {
        max-height: 95%;
        overflow-y: auto;
    }
    .checkout-content {
        padding: 1.5rem;
    }
}

/* Subpage Banner Hero */
.page-hero {
    padding: 8rem 5% 3.5rem 5%;
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-black) 100%);
    border-bottom: 1px solid var(--border-silver);
    text-align: center;
}

.page-hero-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 0.75rem;
}

.page-hero-desc {
    color: var(--text-silver);
    max-width: 650px;
    margin: 0 auto;
    font-size: 1.05rem;
    font-weight: 300;
}

/* Catalog Page Enhancements */
.search-container {
    max-width: 500px;
    margin: 0 auto 3.5rem auto;
    position: relative;
}

.search-input {
    width: 100%;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-silver);
    border-radius: 30px;
    padding: 0.9rem 1.5rem 0.9rem 3.2rem;
    color: var(--text-white);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 15px rgba(0, 102, 255, 0.2);
}

.search-icon {
    position: absolute;
    left: 1.3rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-silver-dark);
    width: 20px;
    height: 20px;
    pointer-events: none;
}

/* Contact Form in FAQ page */
.contact-section {
    padding: 5rem 5% 6rem 5%;
    background: linear-gradient(180deg, var(--bg-black) 0%, var(--bg-dark) 100%);
    position: relative;
    z-index: 15;
    border-top: 1px solid var(--border-silver);
}

.contact-container {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-top: 2rem;
}

.contact-textarea {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-silver);
    border-radius: 8px;
    padding: 1rem;
    color: var(--text-white);
    font-family: var(--font-body);
    font-size: 0.9rem;
    min-height: 120px;
    resize: vertical;
    transition: var(--transition-smooth);
}

.contact-textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 10px rgba(0, 102, 255, 0.2);
}