/* 
   GeneSil Technologies - Design System & Stylesheet
   Theme: Liquid-Tech Premium (Cyan / Teal / Slate)
*/

/* ==========================================
   1. Design System & CSS Custom Properties
   ========================================== */
:root {
    /* Fonts */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    /* Theme Accents (Fluid Liquid/Chemical Feel) */
    --color-primary: #06b6d4; /* Vibrant Cyan */
    --color-primary-hover: #0891b2; 
    --color-primary-rgb: 6, 182, 212;
    --color-secondary: #10b981; /* Emerald/Sustainability */
    --color-secondary-hover: #059669;
    --color-secondary-rgb: 16, 185, 129;
    
    /* Common Gradients */
    --gradient-primary: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --gradient-secondary: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-text: linear-gradient(135deg, #06b6d4 0%, #10b981 100%);
    --gradient-card-hover: linear-gradient(180deg, rgba(6, 182, 212, 0.15) 0%, rgba(16, 185, 129, 0) 100%);

    /* Radii */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Dark Mode Tokens (Default) */
html[data-theme="dark"] {
    --bg-primary: #090d16; /* Deep space slate */
    --bg-secondary: #0f172a; /* Card slate dark */
    --bg-tertiary: #1e293b; /* Accent slate */
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: rgba(255, 255, 255, 0.07);
    
    /* Glassmorphism */
    --glass-bg: rgba(15, 23, 42, 0.7);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: rgba(0, 0, 0, 0.4);
    
    --gradient-hero: radial-gradient(circle at 80% 20%, #1e1b4b 0%, #090d16 60%);
    --card-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.5);
    --header-bg: rgba(9, 13, 22, 0.8);
}

/* Light Mode Tokens */
html[data-theme="light"] {
    --bg-primary: #f8fafc; /* Clear Slate */
    --bg-secondary: #ffffff; /* pure white */
    --bg-tertiary: #f1f5f9; /* Slate 100 */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border-color: rgba(15, 23, 42, 0.08);

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(15, 23, 42, 0.08);
    --glass-shadow: rgba(15, 23, 42, 0.04);
    
    --gradient-hero: radial-gradient(circle at 80% 20%, #e0f2fe 0%, #f8fafc 60%);
    --card-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.06);
    --header-bg: rgba(248, 250, 252, 0.8);
}

/* ==========================================
   2. Reset & Global Styles
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    overflow-x: hidden;
    width: 100%;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-primary);
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
    transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.25;
    color: var(--text-primary);
}

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

ul {
    list-style: none;
}

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

/* Utility Elements */
.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-center { text-align: center; }
.w-full { width: 100%; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mt-4 { margin-top: 1rem; }
.ml-2 { margin-left: 0.5rem; }
.mr-2 { margin-right: 0.5rem; }
.text-required { color: #ef4444; }
.flex-grow { flex-grow: 1; }

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

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

.section-padding {
    padding: 6.5rem 0;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Section Header Styling */
.section-header {
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.75rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.025em;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-text);
    border-radius: var(--radius-full);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0.75rem auto 0;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    border: 1px solid transparent;
    transition: var(--transition-bounce);
    font-size: 0.95rem;
    outline: none;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: var(--gradient-primary);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(6, 182, 212, 0.45);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

.btn-secondary-light {
    background: var(--color-primary-light);
    color: var(--color-primary);
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.btn-secondary-light:hover {
    background: var(--color-primary);
    color: #ffffff;
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.05rem;
}

/* Glassmorphism General Cards */
.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    box-shadow: var(--glass-shadow);
}

/* ==========================================
   3. Header & Navigation Styles
   ========================================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: var(--header-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.main-header.scrolled {
    padding: 0.5rem 0;
    box-shadow: var(--card-shadow);
}

.nav-container {
    max-width: 1250px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo Area */
.logo-area {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-img {
    width: 42px;
    height: 42px;
    object-fit: contain;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.35rem;
    letter-spacing: -0.02em;
    line-height: 1;
    color: var(--text-primary);
}

.logo-subtitle {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-primary);
    font-weight: 600;
    margin-top: 2px;
}

/* Nav Menu Links */
.nav-menu ul {
    display: flex;
    align-items: center;
    gap: 1.75rem;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 0.5rem 0;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-text);
    transition: var(--transition-smooth);
    border-radius: var(--radius-full);
}

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

/* Header Actions */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.theme-toggle-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: var(--transition-bounce);
}

.theme-toggle-btn:hover {
    border-color: var(--color-primary);
    transform: rotate(15deg);
}

/* Hide inactive icons based on theme */
html[data-theme="dark"] .moon-icon { display: none; }
html[data-theme="light"] .sun-icon { display: none; }

.mobile-menu-toggle {
    display: none;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: var(--transition-bounce);
    font-size: 1.2rem;
}

.mobile-menu-toggle:hover {
    border-color: var(--color-primary);
    transform: scale(1.05);
}

/* ==========================================
   4. Mobile Drawer Menu
   ========================================== */
.mobile-nav-drawer {
    position: fixed;
    top: 0;
    right: -320px;
    width: 300px;
    height: 100%;
    background: var(--bg-secondary);
    z-index: 1000;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    box-shadow: -10px 0 30px rgba(0,0,0,0.15);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-nav-drawer.open {
    transform: translateX(-320px);
}

.drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 3rem;
}

.drawer-close {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    cursor: pointer;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: auto;
}

.mob-link {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-secondary);
    display: block;
    padding: 0.5rem 0;
}

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

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

.drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-smooth);
}

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

/* ==========================================
   5. Hero Section Styles
   ========================================== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 5rem;
    background: var(--gradient-hero);
    overflow: hidden;
}

/* Glowing background ambient lights */
.hero-bg-overlay::before {
    content: '';
    position: absolute;
    top: 20%;
    right: 10%;
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.15) 0%, rgba(0,0,0,0) 70%);
    filter: blur(60px);
    pointer-events: none;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 3.5rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
    color: var(--color-primary);
    padding: 0.4rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: var(--color-primary);
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 0 0 rgba(6, 182, 212, 0.7);
    animation: pulse 1.6s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(6, 182, 212, 0.7);
    }
    70% {
        transform: scale(1);
        box-shadow: 0 0 0 8px rgba(6, 182, 212, 0);
    }
    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(6, 182, 212, 0);
    }
}

.hero-title {
    font-size: clamp(2.2rem, 5.5vw + 1rem, 3.75rem);
    line-height: 1.15;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw + 0.5rem, 1.15rem);
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 580px;
    line-height: 1.7;
}

.hero-ctas {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 3.5rem;
}

/* Counters Grid */
.hero-highlights {
    display: flex;
    align-items: center;
    gap: 2rem;
}

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

.highlight-num {
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}

.highlight-plus {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-primary);
}

.highlight-label {
    font-size: 0.82rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-top: 4px;
}

.highlight-divider {
    width: 1px;
    height: 40px;
    background: var(--border-color);
}

/* Hero Visual Graphics */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.visual-wrapper {
    position: relative;
    width: 100%;
    max-width: 440px;
}

.hero-canvas {
    width: 100%;
    height: 440px;
    border-radius: var(--radius-lg);
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
    position: relative;
    z-index: 1;
    display: block;
    background: #090d16;
}

/* Floating overlay cards on hero image */
.floating-card-1,
.floating-card-2 {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    z-index: 3;
    padding: 0.85rem 1.25rem;
    border-radius: var(--radius-md);
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    min-width: 210px;
    animation: float 6s ease-in-out infinite;
}

.floating-card-1 {
    top: 15%;
    left: -25%;
}

.floating-card-2 {
    bottom: 15%;
    right: -15%;
    animation-delay: 3s;
}

.card-icon {
    width: 38px;
    height: 38px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--color-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
}

.floating-card-1 .card-icon {
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
    color: var(--color-primary);
}

.floating-card-1 h4, .floating-card-2 h4 {
    font-size: 0.88rem;
    font-weight: 700;
}

.floating-card-1 p, .floating-card-2 p {
    font-size: 0.72rem;
    color: var(--text-secondary);
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

/* ==========================================
   6. Key Differentiators Section
   ========================================== */
.about-section {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.diff-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 2.5rem;
    border-radius: var(--radius-md);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.diff-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-text);
    opacity: 0;
    transition: var(--transition-smooth);
}

.diff-card:hover {
    transform: translateY(-5px);
    border-color: rgba(6, 182, 212, 0.3);
    box-shadow: var(--card-shadow);
}

.diff-card:hover::before {
    opacity: 1;
}

.diff-icon {
    font-size: 1.85rem;
    margin-bottom: 1.5rem;
    color: var(--color-primary);
    display: inline-block;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.1) 0%, rgba(16, 185, 129, 0.1) 100%);
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(6, 182, 212, 0.15);
}

.diff-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.diff-card p {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==========================================
   7. Products Section Styles
   ========================================== */
.product-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    position: relative;
    display: flex;
    flex-direction: column;
    transition: var(--transition-smooth);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--card-shadow);
    border-color: rgba(6, 182, 212, 0.25);
}

.product-card.featured {
    background: var(--bg-primary);
    border: 2px solid var(--color-primary);
    box-shadow: 0 15px 35px rgba(6, 182, 212, 0.15);
}

.product-badge {
    position: absolute;
    top: -14px;
    left: 2.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: 0.35rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.product-card.featured .featured-badge {
    background: var(--gradient-primary);
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 10px rgba(6, 182, 212, 0.25);
}

.product-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 0.5rem;
    margin-bottom: 1.25rem;
}

.product-icon-wrap {
    width: 48px;
    height: 48px;
    background: rgba(6, 182, 212, 0.1);
    color: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
}

.product-card.featured .product-icon-wrap {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-secondary);
}

.product-card h3 {
    font-size: 1.65rem;
    font-weight: 800;
}

.product-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1.75rem;
    flex-grow: 1;
}

.product-specs {
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 0;
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.product-specs li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.product-specs li i {
    width: 24px;
    color: var(--color-primary);
    font-size: 1rem;
    display: inline-block;
}

.product-card.featured .product-specs li i {
    color: var(--color-secondary);
}

.product-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* Compare Table Styles */
.compare-table-wrapper {
    margin-top: 5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3rem;
}

.compare-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 2rem;
}

.table-responsive {
    overflow-x: auto;
}

.compare-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.compare-table th {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-primary);
    padding: 1.25rem 1.5rem;
    border-bottom: 2px solid var(--border-color);
}

.compare-table td {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.compare-table tbody tr:hover {
    background: rgba(6, 182, 212, 0.02);
}

.compare-table td strong {
    color: var(--text-primary);
}

/* Spec tags in table */
.tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    font-weight: 600;
}

.tag-high {
    background: rgba(6, 182, 212, 0.1);
    color: var(--color-primary);
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.tag-mid {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-secondary);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.tag-low {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

/* ==========================================
   8. Dilution Calculator Section Styles
   ========================================== */
.calculator-section {
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.calc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: stretch;
}

.calc-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3rem;
    display: flex;
    flex-direction: column;
}

.calc-panel h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.form-group {
    margin-bottom: 1.75rem;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.6rem;
}

.form-control {
    width: 100%;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-family: var(--font-primary);
    padding: 0.85rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    outline: none;
}

.form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.15);
}

/* Mode toggler layout */
.radio-toggle-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    background: var(--bg-primary);
    padding: 0.35rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.radio-label {
    cursor: pointer;
    position: relative;
    display: block;
    text-align: center;
}

.radio-label input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.radio-label span {
    display: block;
    padding: 0.6rem 0.5rem;
    font-family: var(--font-display);
    font-size: 0.88rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}

.radio-label input:checked + span {
    background: var(--bg-secondary);
    color: var(--color-primary);
    box-shadow: var(--glass-shadow);
}

/* Custom volume inputs */
.input-with-unit {
    position: relative;
    display: flex;
    align-items: center;
}

.input-with-unit input {
    padding-right: 4.5rem;
}

.input-unit {
    position: absolute;
    right: 1.25rem;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-muted);
}

.range-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: var(--bg-primary);
    border-radius: var(--radius-full);
    outline: none;
    margin-top: 1rem;
}

.range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: var(--color-primary);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(6, 182, 212, 0.3);
    transition: var(--transition-bounce);
}

.range-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.field-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

/* Output metrics cards */
.output-cards-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.output-card-metric {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.metric-icon {
    width: 44px;
    height: 44px;
    background: rgba(6, 182, 212, 0.1);
    color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
}

.output-card-metric:last-child .metric-icon {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
}

.metric-data {
    display: flex;
    flex-direction: column;
}

.metric-value {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--text-primary);
}

.metric-unit {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
}

.metric-name {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* Mixing Beaker Visualization */
.beaker-container {
    margin-top: 1rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.beaker-label {
    font-size: 0.88rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

.beaker {
    height: 180px;
    width: 100%;
    border: 3px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    position: relative;
    overflow: hidden;
    background: var(--bg-primary);
    display: flex;
    flex-direction: column-reverse;
}

.liquid {
    width: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: height 0.6s cubic-bezier(0.19, 1, 0.22, 1);
    overflow: hidden;
}

.liquid.water {
    background: linear-gradient(180deg, #3b82f6 0%, #1d4ed8 100%);
    box-shadow: inset 0 10px 10px rgba(255,255,255,0.1);
}

.liquid.concentrate {
    background: linear-gradient(180deg, #06b6d4 0%, #0891b2 100%);
    box-shadow: inset 0 10px 10px rgba(255,255,255,0.2);
}

.liquid-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: #ffffff;
    text-shadow: 0 1px 3px rgba(0,0,0,0.4);
    z-index: 2;
}

/* Savings info-box */
.savings-box {
    margin-top: 2rem;
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.2);
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius-md);
}

.savings-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-secondary);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.savings-box p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ==========================================
   9. Specialty Variants Section Styles
   ========================================== */
.variants-section {
    background-color: var(--bg-secondary);
}

.variant-tabs {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 3.5rem;
    flex-wrap: wrap;
}

.tab-btn {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.65rem 1.5rem;
    border-radius: var(--radius-full);
    cursor: pointer;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-bounce);
}

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

.tab-btn.active {
    background: var(--gradient-primary);
    color: #ffffff;
    border-color: transparent;
    box-shadow: 0 4px 10px rgba(6, 182, 212, 0.2);
}

/* Cards Grid */
.variants-grid {
    min-height: 350px;
    transition: opacity 0.3s ease;
}

.variant-item-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 2.25rem;
    border-radius: var(--radius-md);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.variant-item-card:hover {
    transform: translateY(-5px);
    border-color: rgba(6, 182, 212, 0.2);
    box-shadow: var(--card-shadow);
}

.variant-icon-wrap {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    background: rgba(6, 182, 212, 0.1);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    margin-bottom: 1.5rem;
}

.variant-item-card h3 {
    font-size: 1.35rem;
    margin-bottom: 0.75rem;
}

.variant-desc {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.variant-tag-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.v-tag {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 0.2rem 0.65rem;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-muted);
}

/* Custom Mfg Banner */
.custom-mfg-banner {
    margin-top: 5rem;
    background: radial-gradient(circle at 10% 10%, rgba(6, 182, 212, 0.1) 0%, rgba(16, 185, 129, 0.05) 100%), var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
}

.banner-content {
    max-width: 70%;
}

.banner-content h3 {
    font-size: 1.85rem;
    margin-bottom: 1rem;
}

.banner-content p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.banner-features {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.banner-features span {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.banner-features span i {
    color: var(--color-secondary);
}

/* ==========================================
   10. Testimonials Slider Styles
   ========================================== */
.testimonials-section {
    background-color: var(--bg-primary);
}

.slider-wrapper {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    padding: 1rem 0;
}

.slider-container {
    position: relative;
    min-height: 300px;
    overflow: hidden;
}

.testimonial-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, transform 0.5s ease;
    transform: translateX(40px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3.5rem;
}

.testimonial-slide.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
    position: relative;
}

.quote-icon {
    font-size: 2.75rem;
    color: rgba(6, 182, 212, 0.15);
    line-height: 1;
    margin-bottom: 1rem;
}

.quote-text {
    font-size: 1.25rem;
    line-height: 1.7;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 2rem;
}

.client-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.client-avatar {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    color: #ffffff;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.client-name {
    font-size: 1.05rem;
    font-weight: 700;
}

.client-title {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Slider Controls */
.slider-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin-top: 2.5rem;
}

.nav-arrow-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: var(--transition-bounce);
}

.nav-arrow-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: scale(1.1);
}

.slider-dots {
    display: flex;
    gap: 0.5rem;
}

.dot {
    width: 10px;
    height: 10px;
    background: var(--border-color);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.dot.active {
    width: 28px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
}

/* ==========================================
   11. FAQ Accordion Styles
   ========================================== */
.faq-section {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.faq-accordion-container {
    max-width: 850px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.faq-item {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition-smooth);
}

.faq-item:hover {
    border-color: rgba(6, 182, 212, 0.2);
}

.faq-trigger {
    width: 100%;
    background: none;
    border: none;
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-align: left;
    cursor: pointer;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-primary);
    outline: none;
}

.faq-arrow {
    font-size: 0.95rem;
    color: var(--text-muted);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.active {
    border-color: var(--color-primary);
}

.faq-item.active .faq-arrow {
    transform: rotate(180deg);
    color: var(--color-primary);
}

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
}

.faq-content p {
    padding: 0 2rem 1.5rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==========================================
   12. Contact Hub & Inquiry Form Styles
   ========================================== */
.contact-section {
    background-color: var(--bg-primary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3.5rem;
    align-items: stretch;
}

.contact-info-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3rem;
    display: flex;
    flex-direction: column;
}

.contact-info-panel h3,
.contact-form-panel h3 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.panel-intro {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

/* Info detail list */
.contact-details-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.contact-card-link {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.contact-card-link:hover {
    border-color: var(--color-primary);
    transform: translateX(5px);
}

.contact-card-link.no-click:hover {
    border-color: var(--border-color);
    transform: none;
}

.contact-icon {
    width: 44px;
    height: 44px;
    background: rgba(6, 182, 212, 0.1);
    color: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
}

.contact-card-text {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-value {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 1px;
}

/* Simulated Map Graphic styling */
.simulated-map-card {
    height: 200px;
    width: 100%;
    margin-top: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    background: #111b27;
}

.simulated-map-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 40% 60%, rgba(6, 182, 212, 0.1) 0%, rgba(0,0,0,0) 50%),
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 100% 100%, 15px 15px, 15px 15px;
}

.map-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 2;
    padding: 1.5rem;
}

.map-pin {
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: 0 0 0 10px rgba(6, 182, 212, 0.2);
    animation: ping 2s infinite;
}

@keyframes ping {
    0% { box-shadow: 0 0 0 0 rgba(6, 182, 212, 0.4); }
    70% { box-shadow: 0 0 0 12px rgba(6, 182, 212, 0); }
    100% { box-shadow: 0 0 0 0 rgba(6, 182, 212, 0); }
}

.map-tooltip {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    text-align: center;
    margin-top: 1rem;
    box-shadow: var(--card-shadow);
}

.map-tooltip strong {
    font-size: 0.85rem;
    display: block;
}

.map-tooltip p {
    font-size: 0.72rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* Inquiry Form layout */
.contact-form-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3rem;
}

.inquiry-form {
    display: flex;
    flex-direction: column;
}

.inquiry-form .form-group textarea {
    resize: none;
}

.form-actions-row {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

/* ==========================================
   13. Floating Action Elements & Modals
   ========================================== */
/* Floating WhatsApp Button */
.floating-whatsapp-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    color: #ffffff;
    border-radius: 50%;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
    z-index: 90;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.15rem;
    transition: var(--transition-bounce);
}

.floating-whatsapp-btn:hover {
    transform: scale(1.1) rotate(8deg);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
}

.whatsapp-tooltip {
    position: absolute;
    right: 75px;
    background: #ffffff;
    color: #121212;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-smooth);
    transform: translateX(10px);
}

.floating-whatsapp-btn:hover .whatsapp-tooltip {
    opacity: 1;
    transform: translateX(0);
}

/* Form success feedback modal */
.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    width: 90%;
    max-width: 480px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: 0 30px 60px rgba(0,0,0,0.4);
    z-index: 1001;
    padding: 3rem;
    text-align: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-bounce);
}

.modal.open {
    opacity: 1;
    pointer-events: auto;
    transform: translate(-50%, -50%) scale(1);
}

.success-icon-wrap {
    width: 70px;
    height: 70px;
    background: rgba(16, 185, 129, 0.15);
    color: var(--color-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.25rem;
    margin: 0 auto 2rem;
    border: 2px solid var(--color-secondary);
}

.modal h2 {
    font-size: 1.85rem;
    margin-bottom: 1rem;
}

.modal p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(5px);
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-smooth);
}

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

/* ==========================================
   14. Footer Styles
   ========================================== */
.main-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 5rem 0 2rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.brand-bio {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.certifications {
    display: flex;
    gap: 0.5rem;
}

.cert-badge {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-secondary);
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-sm);
}

.footer-links-col h4,
.footer-info-col h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    position: relative;
}

.footer-links-col ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links-col ul a {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.footer-links-col ul a:hover {
    color: var(--color-primary);
    transform: translateX(3px);
    display: inline-block;
}

.footer-addr {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

.footer-contact-detail {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
}

.footer-contact-detail i {
    color: var(--color-primary);
}

/* Bottom Bar */
.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.footer-legal-links {
    display: flex;
    gap: 1.5rem;
}

.footer-legal-links a:hover {
    color: var(--text-secondary);
}

/* ==========================================
   15. Scroll-triggered reveal animations
   ========================================== */
.reveal {
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* ==========================================
   15a. Legacy & Operations Intro Layouts
   ========================================== */
.about-intro-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 3.5rem;
    align-items: center;
    margin-bottom: 5.5rem;
}

.about-intro-text .intro-tag {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.15em;
    display: block;
    margin-bottom: 0.5rem;
}

.about-intro-text h3 {
    font-size: 2.15rem;
    margin-bottom: 1.25rem;
    line-height: 1.2;
}

.about-intro-text p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    line-height: 1.6;
}

.intro-stats {
    display: flex;
    gap: 2.5rem;
    margin-top: 2rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
}

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

.intro-stat-item .stat-value {
    font-family: var(--font-display);
    font-size: 1.85rem;
    font-weight: 800;
    color: var(--color-secondary);
    line-height: 1.1;
}

.intro-stat-item .stat-lbl {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
    margin-top: 3px;
    text-transform: uppercase;
}

/* Media Stack Staggered Image Effect */
.media-stack {
    position: relative;
    height: 380px;
    width: 100%;
}

.main-img-card {
    position: absolute;
    top: 0;
    left: 0;
    width: 78%;
    z-index: 2;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid var(--border-color);
    box-shadow: var(--card-shadow);
}

.sub-img-card {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 62%;
    z-index: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid var(--border-color);
    box-shadow: var(--card-shadow);
}

.about-media-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
    transition: var(--transition-smooth);
}

.sub-img-card .about-media-img {
    height: 180px;
}

.main-img-card:hover .about-media-img,
.sub-img-card:hover .about-media-img {
    transform: scale(1.04);
}

.media-badge {
    position: absolute;
    bottom: 12px;
    left: 12px;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #ffffff;
    font-size: 0.72rem;
    font-weight: 600;
    padding: 0.3rem 0.65rem;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

/* Bespoke Banner Grid */
.banner-grid {
    display: grid;
    grid-template-columns: 1.22fr 1fr;
    gap: 3.5rem;
    align-items: center;
    width: 100%;
}

.banner-img-frame {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
}

.banner-lab-img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    display: block;
}

.lab-badge {
    position: absolute;
    bottom: 12px;
    left: 12px;
    background: var(--gradient-primary);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-sm);
    box-shadow: 0 4px 10px rgba(6, 182, 212, 0.3);
}

/* Finishing Showroom Section Styles */
.finishing-section {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.finishing-grid {
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    gap: 4.5rem;
    align-items: center;
}

.finishing-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.finishing-benefits {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.finishing-benefits li {
    display: flex;
    gap: 1rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.finishing-benefits li i {
    color: var(--color-secondary);
    font-size: 1.25rem;
    margin-top: 2px;
}

.finishing-benefits li strong {
    color: var(--text-primary);
    display: block;
    margin-bottom: 0.25rem;
    font-size: 1rem;
}

.finishing-image-frame {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
}

.finishing-img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    display: block;
    transition: var(--transition-smooth);
}

.finishing-image-frame:hover .finishing-img {
    transform: scale(1.03);
}

.finishing-tag {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    padding: 0.85rem 1.25rem;
    border-radius: var(--radius-md);
    box-shadow: var(--glass-shadow);
}

.finishing-tag strong {
    font-size: 0.92rem;
    display: block;
    color: var(--text-primary);
}

.finishing-tag p {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
    font-weight: 500;
}

/* ==========================================
   15b. Legal Policy Pages Styles
   ========================================== */
.legal-page {
    padding-top: 8rem;
    padding-bottom: 5rem;
    background: var(--bg-primary);
}

.legal-content-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3.5rem;
    box-shadow: var(--card-shadow);
    max-width: 900px;
    margin: 0 auto;
}

.legal-content-card h1 {
    font-size: 2.75rem;
    margin-bottom: 0.5rem;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.legal-date {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
    display: block;
    font-weight: 500;
}

.legal-content-card h2 {
    font-size: 1.5rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
    color: var(--color-primary);
}

.legal-content-card p {
    font-size: 0.98rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.legal-content-card ul {
    list-style: disc;
    padding-left: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.legal-content-card li {
    font-size: 0.98rem;
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

@media (max-width: 768px) {
    .legal-content-card {
        padding: 2rem;
    }
    .legal-content-card h1 {
        font-size: 2rem;
    }
}

/* ==========================================
   16. Media Queries & Responsive Design
   ========================================== */
@media (max-width: 1024px) {
    .grid-3-col {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 4rem;
        text-align: center;
    }
    
    .hero-subtitle,
    .hero-ctas {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-ctas {
        justify-content: center;
    }
    
    .hero-highlights {
        justify-content: center;
    }
    
    .floating-card-1 {
        left: 5%;
        top: 5%;
    }
    
    .floating-card-2 {
        right: 5%;
        bottom: 5%;
    }

    .calc-grid,
    .contact-grid,
    .about-intro-grid,
    .banner-grid,
    .finishing-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .about-intro-grid {
        text-align: center;
    }

    .intro-stats {
        justify-content: center;
    }

    .media-stack {
        max-width: 500px;
        margin: 0 auto;
    }

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

    .banner-features {
        margin: 0 auto;
        width: fit-content;
    }

    .banner-media-side {
        max-width: 500px;
        margin: 0 auto;
        width: 100%;
    }

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

    .finishing-benefits {
        text-align: left;
        max-width: 550px;
        margin: 0 auto;
    }

    .finishing-media {
        max-width: 550px;
        margin: 0 auto;
        width: 100%;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .section-title {
        font-size: 2rem;
    }

    .section-container,
    .hero-container,
    .nav-container {
        padding: 0 1.25rem;
    }

    .nav-menu,
    .btn-nav-cta {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }

    .grid-3-col,
    .grid-2-col,
    .output-cards-grid,
    .product-actions,
    .form-actions-row {
        grid-template-columns: 1fr;
    }
    
    .hero-ctas {
        flex-direction: column;
        width: 100%;
        max-width: 320px;
        margin-left: auto;
        margin-right: auto;
        gap: 1rem;
    }
    
    .hero-ctas .btn {
        width: 100%;
    }

    .hero-highlights {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1.5rem;
    }
    
    .testimonial-slide {
        padding: 2rem;
    }
    
    .quote-text {
        font-size: 1.15rem;
    }
    
    .floating-card-1,
    .floating-card-2 {
        display: none;
    }
    
    .floating-whatsapp-btn {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 50px;
        height: 50px;
        font-size: 1.85rem;
    }
    
    .section-padding {
        padding: 4.5rem 0;
    }

    .media-stack {
        height: 320px;
    }

    .about-media-img {
        height: 200px;
    }

    .sub-img-card .about-media-img {
        height: 140px;
    }

    .finishing-img {
        height: 300px;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 13px;
    }

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

    .section-subtitle {
        font-size: 0.95rem;
    }
    
    .hero-highlights {
        flex-direction: column;
        gap: 1rem;
    }
    
    .highlight-divider {
        display: none;
    }
    
    .product-card,
    .calc-panel,
    .contact-info-panel,
    .contact-form-panel {
        padding: 1.5rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .logo-subtitle {
        display: none;
    }
}

/* ==========================================
   17. Technical Chemistry Page & Custom Banner Styles
   ========================================== */
.banner-actions-row-custom {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.science-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin: 1.5rem 0;
}

.science-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    font-size: 0.98rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.science-list li strong {
    color: var(--text-primary);
    display: block;
    margin-bottom: 0.25rem;
    font-size: 1.05rem;
}

.science-list .list-icon {
    color: var(--color-primary);
    font-size: 1.15rem;
    margin-top: 4px;
    flex-shrink: 0;
}

.science-list .list-icon.icon-secondary {
    color: var(--color-secondary);
}

.science-callout {
    background: rgba(6, 182, 212, 0.03);
    border-left: 4px solid var(--color-primary);
    padding: 2.25rem;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: 2.5rem 0;
    border-top: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

html[data-theme="light"] .science-callout {
    background: rgba(6, 182, 212, 0.02);
}

.callout-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-family: var(--font-display);
    font-weight: 700;
}

.callout-header i {
    color: var(--color-primary);
}

.callout-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    margin-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
}

.callout-col h5 {
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
    font-family: var(--font-display);
    font-weight: 700;
}

.callout-col:last-child h5 {
    color: var(--color-secondary);
}

.science-list.font-style-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.science-list.font-style-cards li {
    display: block;
}

.synthesis-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: var(--radius-md);
    height: 100%;
    position: relative;
    display: flex;
    flex-direction: column;
    transition: var(--transition-smooth);
}

.synthesis-card:hover {
    border-color: rgba(6, 182, 212, 0.25);
    transform: translateY(-4px);
    box-shadow: var(--card-shadow);
}

.card-num {
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 800;
    color: rgba(6, 182, 212, 0.08);
    line-height: 1;
    position: absolute;
    top: 1rem;
    right: 1.25rem;
}

.synthesis-card h4 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    padding-right: 1.5rem;
}

.synthesis-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Responsive Overrides */
@media (max-width: 1024px) {
    .banner-actions-row-custom {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .banner-actions-row-custom {
        flex-direction: column;
        width: 100%;
        max-width: 320px;
        margin-left: auto;
        margin-right: auto;
        gap: 1rem;
    }
    
    .banner-actions-row-custom .btn {
        width: 100%;
    }
    
    .science-list.font-style-cards {
        grid-template-columns: 1fr;
    }
    
    .callout-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}