/* ==========================================================================
   RANKA CHEMICAL - SCIENTIFIC B2B DESIGN SYSTEM & STYLES (2026 Edition)
   Design Language: Precision + Trust + Scientific Sophistication + Industrial Capability
   Primary Color: #316592 (Laboratory Blue)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties & Design Tokens
   -------------------------------------------------------------------------- */
:root {
    /* Brand Colors */
    --primary: #316592;
    --primary-rgb: 49, 101, 146;
    --primary-light: #4f87b8;
    --primary-lighter: #e8f1f8;
    --primary-dark: #1a4267;
    --primary-deep: #0e273f;
    
    /* Scientific Accent Colors */
    --secondary: #10b981; /* Molecular & biological purity emerald */
    --secondary-rgb: 16, 185, 129;
    --secondary-dark: #059669;
    --secondary-light: #d1fae5;
    
    --cyan-glow: #38bdf8;
    --cyan-glow-rgb: 56, 189, 248;
    --accent: #f59e0b; /* Analytical indicator amber */
    
    /* Backgrounds & Neutrals */
    --bg-dark: #07121e; /* Deep scientific navy */
    --bg-dark-secondary: #0d1e30;
    --bg-card-dark: rgba(13, 30, 48, 0.75);
    --bg-light: #f8fafc;
    --bg-light-alt: #f1f5f9;
    --bg-white: #ffffff;
    
    /* Typography Colors */
    --text-main: #1e293b;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --text-white: #ffffff;
    --text-light-gray: #e2e8f0;
    
    /* Borders & Lines */
    --border-color: rgba(226, 232, 240, 0.9);
    --border-color-subtle: rgba(226, 232, 240, 0.6);
    --border-color-dark: rgba(49, 101, 146, 0.2);
    --border-glow: rgba(56, 189, 248, 0.25);
    
    /* Typography */
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    
    /* Shadows & Elevation */
    --shadow-subtle: 0 1px 3px rgba(15, 23, 42, 0.04), 0 1px 2px rgba(15, 23, 42, 0.03);
    --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 6px 16px -2px rgba(15, 23, 42, 0.08), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 16px 32px -4px rgba(15, 23, 42, 0.1), 0 6px 12px -2px rgba(15, 23, 42, 0.05);
    --shadow-xl: 0 24px 48px -8px rgba(15, 23, 42, 0.14), 0 12px 20px -4px rgba(15, 23, 42, 0.06);
    --shadow-glow-blue: 0 0 30px rgba(49, 101, 146, 0.22);
    --shadow-glow-cyan: 0 0 24px rgba(56, 189, 248, 0.25);
    
    /* Radii */
    --radius-xs: 4px;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-full: 9999px;
    
    /* Layout */
    --header-height: 80px;
    --header-shrink-height: 64px;
    
    /* Smooth Transitions */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-back: cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s var(--ease-out-expo);
    --transition-smooth: 0.5s var(--ease-out-expo);
    --transition-slow: 0.8s var(--ease-out-expo);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-light);
    color: var(--text-main);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html, body {
    overflow-x: hidden !important;
    width: 100%;
    max-width: 100vw;
    line-height: 1.6;
}

/* Subtle scientific background watermark */
body::before {
    content: "";
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 65vmin;
    height: 65vmin;
    background-image: url('images/brand_icon.svg');
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    opacity: 0.025;
    pointer-events: none;
    z-index: -1;
}

/* Technical micro grid overlay */
body::after {
    content: "";
    position: fixed;
    inset: 0;
    background-image: radial-gradient(rgba(49, 101, 146, 0.04) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
    z-index: -1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--primary-dark);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.015em;
}

p {
    margin-bottom: 1rem;
    color: var(--text-main);
}

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

a:hover {
    color: var(--primary-light);
}

/* Reusable Container */
.container {
    width: 100%;
    max-width: 1280px;
    margin-right: auto;
    margin-left: auto;
    padding-right: 1.5rem;
    padding-left: 1.5rem;
}

/* Icon utilities */
.icon {
    width: 20px;
    height: 20px;
    display: inline-block;
    vertical-align: middle;
}

/* Scroll Progress Bar */
.scroll-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--cyan-glow) 50%, var(--secondary) 100%);
    z-index: 1001;
    transition: width 0.08s linear;
    box-shadow: 0 0 8px rgba(56, 189, 248, 0.6);
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 3.75rem;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.section-subtitle {
    display: inline-block;
    font-family: var(--font-heading);
    color: var(--primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 0.5rem;
    font-size: 0.8125rem;
    padding: 0.25rem 0.85rem;
    background-color: var(--primary-lighter);
    border-radius: var(--radius-full);
    border: 1px solid rgba(49, 101, 146, 0.12);
}

.section-title {
    font-size: 2.5rem;
    color: var(--primary-dark);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-desc {
    color: var(--text-muted);
    font-size: 1.125rem;
    line-height: 1.65;
}

.section-divider {
    width: 54px;
    height: 3.5px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    margin: 1.5rem auto 0;
    border-radius: var(--radius-full);
}

/* --------------------------------------------------------------------------
   3. Buttons & Interactive Controls System
   -------------------------------------------------------------------------- */
.btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.85rem;
    font-family: var(--font-heading);
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 1.5px solid transparent;
    cursor: pointer;
    transition: all var(--transition-normal);
    gap: 0.6rem;
    font-size: 0.95rem;
    overflow: hidden;
    line-height: 1.2;
    text-decoration: none;
    -webkit-user-select: none;
    user-select: none;
}

.btn span {
    position: relative;
    z-index: 2;
}

.btn-arrow-icon {
    width: 17px;
    height: 17px;
    position: relative;
    z-index: 2;
    transition: transform var(--transition-normal);
}

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

.btn:active {
    transform: translateY(1px) scale(0.99);
}

/* Primary Button with Light Sweep Effect */
.btn-primary {
    background-color: var(--primary);
    color: var(--text-white);
    box-shadow: 0 4px 14px rgba(49, 101, 146, 0.25), 0 1px 2px rgba(49, 101, 146, 0.15);
}

.btn-primary::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s ease;
    z-index: 1;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    color: var(--text-white);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(49, 101, 146, 0.35);
}

.btn-primary:hover::before {
    left: 100%;
}

/* Outline Button */
.btn-outline {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.4);
    color: var(--text-white);
    backdrop-filter: blur(8px);
}

.btn-outline:hover {
    background-color: var(--text-white);
    border-color: var(--text-white);
    color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

/* WhatsApp Button */
.btn-whatsapp-btn {
    background: linear-gradient(135deg, #25d366 0%, #16a34a 100%);
    color: var(--text-white);
    border-color: transparent;
    box-shadow: 0 4px 14px rgba(37, 211, 102, 0.25);
}

.btn-whatsapp-btn:hover {
    background: linear-gradient(135deg, #2ee672 0%, #15803d 100%);
    color: var(--text-white);
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(37, 211, 102, 0.38);
}

.btn-icon {
    width: 18px;
    height: 18px;
}

.btn-full-width {
    width: 100%;
}

/* --------------------------------------------------------------------------
   4. Global Scroll Reveal Animation System (IntersectionObserver)
   -------------------------------------------------------------------------- */
.reveal {
    opacity: 0;
    will-change: transform, opacity;
    transition: opacity 0.75s var(--ease-out-expo), transform 0.75s var(--ease-out-expo);
}

.reveal-up {
    transform: translateY(32px);
}

.reveal-left {
    transform: translateX(-32px);
}

.reveal-right {
    transform: translateX(32px);
}

.reveal-scale {
    transform: scale(0.94) translateY(20px);
}

/* State when triggered into view */
.reveal.is-revealed {
    opacity: 1;
    transform: translate(0, 0) scale(1);
}

/* Stagger Delays for Grouped Elements */
.stagger-1 { transition-delay: 0.06s; }
.stagger-2 { transition-delay: 0.14s; }
.stagger-3 { transition-delay: 0.22s; }
.stagger-4 { transition-delay: 0.30s; }
.stagger-5 { transition-delay: 0.38s; }

/* --------------------------------------------------------------------------
   5. Dynamic Card Glow & Interactive Spotlight System
   -------------------------------------------------------------------------- */
.glow-card {
    position: relative;
    border-radius: var(--radius-md);
    background-color: var(--bg-white);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.glow-card::before {
    content: "";
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    background: radial-gradient(
        400px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
        rgba(56, 189, 248, 0.16),
        transparent 60%
    );
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 1;
}

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

/* --------------------------------------------------------------------------
   6. Full-Width Scientific Navigation Header
   -------------------------------------------------------------------------- */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: rgba(7, 18, 30, 0.72);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    z-index: 1000;
    transition: height var(--transition-normal), background-color var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.main-header.shrink {
    height: var(--header-shrink-height);
    background-color: rgba(6, 15, 26, 0.96);
    border-bottom: 1px solid rgba(56, 189, 248, 0.22);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

.header-container {
    height: 100%;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

/* Brand Logo (Left) */
.logo-link {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    text-decoration: none;
    flex-shrink: 0;
    transition: opacity var(--transition-fast);
}

.logo-link:hover {
    opacity: 0.92;
}

.header-logo {
    height: 44px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.4));
    transition: height var(--transition-normal);
}

.main-header.shrink .header-logo {
    height: 38px;
}

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

.logo-title {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.25rem;
    color: #ffffff;
    line-height: 1.05;
    letter-spacing: -0.015em;
}

.logo-subtitle {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--cyan-glow);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-top: 2px;
}

/* Centered Navigation Menu */
.nav-menu {
    display: flex;
    justify-content: center;
    flex-grow: 1;
}

.nav-menu ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 2.25rem;
    margin: 0;
    padding: 0;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9375rem;
    color: #cbd5e1;
    text-decoration: none;
    padding: 0.5rem 0;
    position: relative;
    letter-spacing: 0.01em;
    transition: color var(--transition-fast);
}

/* Small Animated Underline for Active Section */
.nav-link::after {
    content: "";
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--cyan-glow) 0%, #38bdf8 100%);
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.25s var(--ease-out-expo);
}

.nav-link:hover {
    color: #ffffff;
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
}

.nav-link.active {
    color: #ffffff;
    font-weight: 700;
}

/* Right Action Area & Strong "Request a Quote" CTA */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

.cart-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: var(--radius-xs);
    background-color: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #e2e8f0;
    transition: all var(--transition-fast);
}

.cart-btn:hover {
    background-color: rgba(56, 189, 248, 0.15);
    border-color: var(--cyan-glow);
    color: #ffffff;
    transform: translateY(-1.5px);
}

.cart-btn.animate-pulse {
    animation: cartBounce 0.5s var(--ease-out-back);
}

@keyframes cartBounce {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.18); }
}

.cart-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
    color: var(--text-white);
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    font-weight: 700;
    padding: 1px 5px;
    border-radius: var(--radius-full);
    border: 2px solid #07121e;
    min-width: 19px;
    height: 19px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.25s var(--ease-out-back);
}

.cart-badge.pop {
    animation: badgePop 0.4s var(--ease-out-back);
}

@keyframes badgePop {
    0% { transform: scale(0.6); }
    60% { transform: scale(1.35); }
    100% { transform: scale(1); }
}

/* Primary "Request a Quote" CTA Button */
.btn-request-quote {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #ffffff !important;
    padding: 0.68rem 1.45rem;
    border-radius: var(--radius-xs);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.875rem;
    letter-spacing: 0.02em;
    border: 1px solid rgba(56, 189, 248, 0.35);
    box-shadow: 0 4px 14px rgba(49, 101, 146, 0.35), 0 0 12px rgba(56, 189, 248, 0.15) inset;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.btn-request-quote:hover {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(49, 101, 146, 0.5), 0 0 16px rgba(56, 189, 248, 0.25) inset;
    border-color: var(--cyan-glow);
}

.btn-arrow {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.btn-request-quote:hover .btn-arrow {
    transform: translateX(3px);
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 40px;
    height: 40px;
    position: relative;
    z-index: 1002;
    align-items: center;
    justify-content: center;
}

.hamburger {
    display: block;
    width: 22px;
    height: 2px;
    background-color: #ffffff;
    position: relative;
    transition: var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 22px;
    height: 2px;
    background-color: #ffffff;
    transition: var(--transition-fast);
}

.hamburger::before { top: -7px; left: 0; }
.hamburger::after { bottom: -7px; left: 0; }

.mobile-nav-toggle[aria-expanded="true"] .hamburger {
    background-color: transparent;
}
.mobile-nav-toggle[aria-expanded="true"] .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}
.mobile-nav-toggle[aria-expanded="true"] .hamburger::after {
    transform: rotate(-45deg);
    bottom: 0;
}

/* --------------------------------------------------------------------------
   7. Hero Section with Scientific Atmosphere & Particle Canvas
   -------------------------------------------------------------------------- */
.hero-section {
    position: relative;
    min-height: 96vh;
    padding-top: calc(var(--header-height) + 3.5rem);
    padding-bottom: 8.5rem;
    display: flex;
    align-items: center;
    background-color: var(--bg-dark);
    background-image: url('images/hero_background.jpg');
    background-size: cover;
    background-position: center;
    overflow: hidden;
    z-index: 1;
}

.hero-background-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(7, 18, 30, 0.94) 0%,
        rgba(11, 26, 44, 0.88) 55%,
        rgba(49, 101, 146, 0.4) 100%
    );
    z-index: -2;
}

/* Canvas for Molecular Node Particles */
.hero-particle-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    opacity: 0.65;
}

/* Ambient Glow Blobs */
.hero-glow-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
    z-index: -2;
}

.hero-glow-1 {
    top: 20%;
    left: 10%;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.15) 0%, transparent 70%);
}

.hero-glow-2 {
    bottom: 25%;
    right: 15%;
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(49, 101, 146, 0.2) 0%, transparent 70%);
}

.hero-container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    color: var(--text-white);
}

/* Hero Staggered Entrance Animations */
.hero-entrance-1 {
    animation: heroFadeSlideUp 0.8s var(--ease-out-expo) 0.1s both;
}
.hero-entrance-2 {
    animation: heroFadeSlideUp 0.9s var(--ease-out-expo) 0.25s both;
}
.hero-entrance-3 {
    animation: heroFadeSlideUp 0.9s var(--ease-out-expo) 0.4s both;
}
.hero-entrance-4 {
    animation: heroFadeSlideUp 0.9s var(--ease-out-expo) 0.55s both;
}
.hero-entrance-5 {
    animation: heroFadeSlideUp 1.1s var(--ease-out-expo) 0.35s both;
}
.hero-entrance-6 {
    animation: heroFadeIn 1s ease 1s both;
}

@keyframes heroFadeSlideUp {
    0% {
        opacity: 0;
        transform: translateY(28px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes heroFadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

.badge-sd-fine {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: linear-gradient(135deg, rgba(49, 101, 146, 0.35) 0%, rgba(13, 30, 48, 0.5) 100%);
    border: 1px solid rgba(56, 189, 248, 0.35);
    backdrop-filter: blur(12px);
    color: #bae6fd;
    padding: 0.55rem 1.4rem;
    border-radius: var(--radius-full);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 1.75rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2), 0 0 20px rgba(56, 189, 248, 0.15) inset;
}

.badge-icon {
    width: 18px;
    height: 18px;
    color: var(--secondary);
}

.hero-title {
    font-size: 3.6rem;
    color: var(--text-white);
    line-height: 1.14;
    margin-bottom: 1.35rem;
    letter-spacing: -0.025em;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-light-gray);
    margin-bottom: 2.5rem;
    line-height: 1.7;
    max-width: 620px;
    opacity: 0.92;
}

.hero-actions {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
}

/* Emblem Graphic with Parallax Wrapper & Floating Animation */
.hero-graphic-block {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    perspective: 1000px;
}

.hero-logo-halo {
    position: absolute;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.2) 0%, rgba(49, 101, 146, 0.1) 50%, transparent 70%);
    filter: blur(30px);
    animation: haloPulse 6s ease-in-out infinite;
    pointer-events: none;
}

@keyframes haloPulse {
    0%, 100% { transform: scale(1); opacity: 0.7; }
    50% { transform: scale(1.15); opacity: 1; }
}

.hero-large-logo {
    max-width: 100%;
    height: auto;
    max-height: 350px;
    object-fit: contain;
    filter: drop-shadow(0 14px 28px rgba(0, 0, 0, 0.45)) drop-shadow(0 0 40px rgba(49, 101, 146, 0.3));
    animation: floatLogo 6s ease-in-out infinite;
    will-change: transform;
    transition: transform 0.15s ease-out;
}

@keyframes floatLogo {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-14px) rotate(1.5deg); }
    100% { transform: translateY(0px) rotate(0deg); }
}

/* Scroll Explore Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    color: var(--text-light-gray);
    text-decoration: none;
    z-index: 5;
    transition: color var(--transition-fast), transform var(--transition-fast);
}

.scroll-indicator-text {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-weight: 600;
    opacity: 0.8;
}

.scroll-indicator-icon {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.25);
    background: rgba(255, 255, 255, 0.05);
    animation: scrollBounce 2s ease-in-out infinite;
}

.scroll-indicator-icon svg {
    width: 14px;
    height: 14px;
    color: var(--cyan-glow);
}

@keyframes scrollBounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(6px); }
    60% { transform: translateY(3px); }
}

.hero-scroll-indicator:hover {
    color: var(--cyan-glow);
    transform: translateX(-50%) translateY(2px);
}

.hero-scroll-indicator:hover .scroll-indicator-icon {
    border-color: var(--cyan-glow);
    background: rgba(56, 189, 248, 0.15);
}

/* Hero Section Divider */
.hero-divider {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
    transform: rotate(180deg);
}

.hero-divider svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 65px;
}

.hero-divider .shape-fill {
    fill: var(--bg-light);
}

/* --------------------------------------------------------------------------
   8. Quick Info & Trust Highlights Section
   -------------------------------------------------------------------------- */
.quick-info-section {
    position: relative;
    margin-top: -3.5rem;
    z-index: 10;
    padding-bottom: 4rem;
}

.quick-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.info-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-md);
    padding: 2.25rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(49, 101, 146, 0.35);
}

.info-icon-wrapper {
    width: 54px;
    height: 54px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, rgba(49, 101, 146, 0.1) 0%, rgba(56, 189, 248, 0.12) 100%);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(49, 101, 146, 0.12);
    transition: transform var(--transition-normal), background-color var(--transition-normal);
}

.info-card:hover .info-icon-wrapper {
    transform: scale(1.08) rotate(3deg);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--text-white);
}

.info-icon {
    width: 25px;
    height: 25px;
    transition: color var(--transition-fast);
}

.info-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
    color: var(--primary-dark);
}

.info-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   9. Trusted Suppliers Infinite Logo Slider Section
   -------------------------------------------------------------------------- */
.suppliers-slider-section {
    background-color: var(--bg-white);
    padding: 3.5rem 0;
    border-top: 1px solid rgba(49, 101, 146, 0.08);
    border-bottom: 1px solid rgba(49, 101, 146, 0.08);
    overflow: hidden;
    position: relative;
}

.suppliers-title {
    text-align: center;
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    margin-bottom: 2.5rem;
}

.slider-viewport {
    width: 100%;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    /* Edge fade masks using modern CSS mask-image */
    mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
    -webkit-mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
}

.slider-track {
    display: flex;
    align-items: center;
    width: calc(200px * 21);
    animation: scrollLogos 28s linear infinite;
    will-change: transform;
}

.slider-track:hover {
    animation-play-state: paused;
}

.slider-logo-item {
    width: 200px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 1.75rem;
    flex-shrink: 0;
}

.slider-logo-item img {
    max-width: 155px;
    max-height: 60px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: grayscale(15%) opacity(0.88);
    transition: filter var(--transition-normal), transform var(--transition-normal);
}

.slider-logo-item img:hover {
    filter: grayscale(0%) opacity(1);
    transform: scale(1.08);
}

@keyframes scrollLogos {
    0% { transform: translateX(0); }
    100% { transform: translateX(calc(-200px * 7)); }
}

/* --------------------------------------------------------------------------
   10. About Us Section & Animated Statistics
   -------------------------------------------------------------------------- */
.about-section {
    padding: 6.5rem 0;
    background-color: var(--bg-light);
    position: relative;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 4.5rem;
    align-items: start;
}

.about-text-content p {
    color: var(--text-main);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.about-lead {
    font-size: 1.25rem !important;
    line-height: 1.75 !important;
    color: var(--primary-dark) !important;
    font-weight: 500;
}

.about-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 2.75rem;
}

.stat-box {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    padding: 1.75rem;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.stat-box:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(49, 101, 146, 0.3);
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 0.25rem;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--text-muted);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.about-cards-wrapper {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.framework-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-md);
    padding: 2.25rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.framework-card::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 5px;
}

.framework-card.mission-card::after {
    background: linear-gradient(180deg, var(--primary) 0%, var(--cyan-glow) 100%);
}

.framework-card.vision-card::after {
    background: linear-gradient(180deg, var(--secondary) 0%, #34d399 100%);
}

.framework-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.card-icon-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.2rem;
}

.card-icon {
    width: 28px;
    height: 28px;
    color: var(--primary);
}

.framework-card.vision-card .card-icon {
    color: var(--secondary);
}

.framework-card h3 {
    font-size: 1.35rem;
    color: var(--primary-dark);
}

.mission-text, .vision-text {
    font-style: italic;
    color: var(--text-main);
    line-height: 1.75;
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   11. Product Catalogue Showcase (High Priority)
   -------------------------------------------------------------------------- */
.products-section {
    padding: 6.5rem 0;
    background-color: var(--bg-white);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.catalog-layout {
    display: grid;
    grid-template-columns: 310px 1fr;
    gap: 2.75rem;
    align-items: start;
}

.catalog-sidebar {
    position: sticky;
    top: calc(var(--header-height) + 2rem);
    z-index: 10;
}

.category-tabs {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    background-color: var(--bg-light);
    padding: 0.85rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.tab-item {
    position: relative;
}

.tab-button {
    position: relative;
    width: 100%;
    text-align: left;
    background: none;
    border: 1px solid transparent;
    padding: 1rem 1.25rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all var(--transition-normal);
    overflow: hidden;
}

.tab-icon {
    font-size: 1.5rem;
    transition: transform var(--transition-fast);
}

.tab-info {
    display: flex;
    flex-direction: column;
    z-index: 2;
}

.tab-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-main);
    transition: color var(--transition-fast);
}

.tab-sub {
    font-size: 0.75rem;
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.tab-button:hover {
    background-color: rgba(49, 101, 146, 0.06);
}

.tab-button:hover .tab-icon {
    transform: scale(1.15);
}

.tab-button.active {
    background-color: var(--primary);
    border-color: var(--primary-light);
    box-shadow: 0 6px 18px rgba(49, 101, 146, 0.25);
}

.tab-button.active .tab-title,
.tab-button.active .tab-sub {
    color: var(--text-white);
}

.tab-button.active .tab-icon {
    filter: brightness(1.3);
}

/* Catalog Panels */
.catalog-content {
    min-height: 520px;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: panelFadeIn 0.45s var(--ease-out-expo) forwards;
}

@keyframes panelFadeIn {
    from {
        opacity: 0;
        transform: translateY(14px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.category-header-block {
    background: linear-gradient(135deg, var(--bg-light) 0%, #f1f7fc 100%);
    border-radius: var(--radius-md);
    padding: 2.5rem;
    margin-bottom: 2rem;
    border-left: 6px solid var(--primary);
    border: 1px solid var(--border-color);
    border-left-width: 6px;
    border-left-color: var(--primary);
    position: relative;
    overflow: hidden;
}

.cat-number-badge {
    position: absolute;
    top: -5px;
    right: 20px;
    font-family: var(--font-heading);
    font-size: 6.5rem;
    font-weight: 900;
    color: rgba(49, 101, 146, 0.04);
    line-height: 1;
    pointer-events: none;
}

.category-header-block h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    color: var(--primary-dark);
}

.category-header-block p {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.6;
    max-width: 650px;
    margin-bottom: 0;
}

.subcategories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
    gap: 1.5rem;
}

.subcategory-card {
    background-color: var(--bg-white);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.85rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
    position: relative;
}

.subcategory-card:hover {
    border-color: rgba(49, 101, 146, 0.4);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.subcategory-card h4 {
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
    color: var(--primary-dark);
    line-height: 1.35;
}

.sub-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 1.35rem;
    flex-grow: 1;
}

.grade-badge {
    display: inline-block;
    align-self: flex-start;
    background-color: var(--secondary-light);
    color: var(--secondary-dark);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.7rem;
    border-radius: var(--radius-xs);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.card-footer {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.add-to-quote-btn {
    flex-grow: 1;
    background-color: var(--primary);
    color: var(--text-white);
    border: none;
    border-radius: var(--radius-xs);
    padding: 0.7rem 1.1rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
    box-shadow: 0 2px 6px rgba(49, 101, 146, 0.2);
}

.add-to-quote-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1.5px);
    box-shadow: 0 4px 12px rgba(49, 101, 146, 0.3);
}

.add-to-quote-btn.added {
    background-color: var(--secondary);
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

.add-to-quote-btn.added:hover {
    background-color: var(--secondary-dark);
}

.quick-wa-btn {
    background-color: #25d366;
    color: var(--text-white) !important;
    border-radius: var(--radius-xs);
    padding: 0.7rem 0.95rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.875rem;
    transition: all var(--transition-fast);
    text-align: center;
    box-shadow: 0 2px 6px rgba(37, 211, 102, 0.2);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.quick-wa-btn:hover {
    background-color: #1eb956;
    transform: translateY(-1.5px);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.35);
}

/* --------------------------------------------------------------------------
   12. Procurement Promise & Trust Standards
   -------------------------------------------------------------------------- */
.promise-section {
    padding: 6.5rem 0;
    background-color: var(--bg-light);
}

.promise-main-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-md);
    padding: 3rem;
    border: 1.5px solid var(--border-color);
    box-shadow: var(--shadow-md);
    text-align: center;
    max-width: 920px;
    margin: 0 auto 3.75rem;
}

.promise-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background-color: rgba(49, 101, 146, 0.1);
    color: var(--primary);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    padding: 0.5rem 1.6rem;
    border-radius: var(--radius-full);
    margin-bottom: 1.5rem;
    border: 1px solid rgba(49, 101, 146, 0.15);
}

.badge-check-icon {
    width: 20px;
    height: 20px;
    color: var(--secondary);
}

.promise-main-text {
    font-size: 1.25rem;
    line-height: 1.75;
    color: var(--primary-dark);
    margin-bottom: 0;
}

.promise-sub-title {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 2.75rem;
    color: var(--primary-dark);
}

.promise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.75rem;
}

.promise-item {
    background-color: var(--bg-white);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2.25rem 2rem;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.promise-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(49, 101, 146, 0.35);
}

.promise-icon {
    font-size: 2.4rem;
    margin-bottom: 1.25rem;
    display: inline-block;
    transition: transform var(--transition-normal);
}

.promise-item:hover .promise-icon {
    transform: scale(1.15) rotate(4deg);
}

.promise-item h4 {
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
    color: var(--primary-dark);
}

.promise-item p {
    color: var(--text-muted);
    font-size: 0.925rem;
    line-height: 1.65;
    margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   13. B2B Quote Builder & Inquiry Cart Section
   -------------------------------------------------------------------------- */
.inquiry-section {
    padding: 6.5rem 0;
    background-color: var(--bg-white);
}

.inquiry-layout {
    display: grid;
    grid-template-columns: 1fr 1.35fr;
    gap: 3.5rem;
    align-items: start;
}

.inquiry-cart-panel {
    background-color: var(--bg-light);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2.25rem;
    position: sticky;
    top: calc(var(--header-height) + 2rem);
    box-shadow: var(--shadow-sm);
}

.inquiry-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 0.85rem;
    border-bottom: 2px solid var(--border-color);
}

.inquiry-cart-panel h3, .inquiry-form-panel h3 {
    font-size: 1.4rem;
    color: var(--primary-dark);
    margin-bottom: 0;
}

.inquiry-panel-badge {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    background-color: var(--primary-lighter);
    color: var(--primary);
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-full);
}

.inquiry-panel-status {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--secondary-dark);
    background-color: var(--secondary-light);
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.cart-items-container {
    min-height: 200px;
    max-height: 420px;
    overflow-y: auto;
    margin-bottom: 1.5rem;
    padding-right: 0.5rem;
}

.cart-items-container::-webkit-scrollbar {
    width: 5px;
}
.cart-items-container::-webkit-scrollbar-track {
    background: transparent;
}
.cart-items-container::-webkit-scrollbar-thumb {
    background-color: rgba(49, 101, 146, 0.25);
    border-radius: var(--radius-full);
}

.cart-empty-message {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
}

.empty-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
    opacity: 0.6;
}

.cart-empty-message .small {
    font-size: 0.85rem;
    margin-top: 0.5rem;
    line-height: 1.5;
}

.cart-item {
    background-color: var(--bg-white);
    border-radius: var(--radius-sm);
    padding: 1.1rem;
    margin-bottom: 0.85rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    animation: cartItemEnter 0.3s var(--ease-out-expo) forwards;
    transition: all var(--transition-fast);
}

@keyframes cartItemEnter {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.cart-item.removing {
    opacity: 0;
    transform: scale(0.92) translateX(20px);
    max-height: 0;
    margin-bottom: 0;
    padding-top: 0;
    padding-bottom: 0;
    overflow: hidden;
    transition: all 0.3s var(--ease-out-expo);
}

.cart-item-details {
    flex-grow: 1;
    padding-right: 1rem;
}

.cart-item-title {
    font-weight: 600;
    font-size: 0.925rem;
    color: var(--primary-dark);
}

.cart-item-cat {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-heading);
}

.cart-item-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.quantity-control {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xs);
    overflow: hidden;
    background-color: var(--bg-light);
}

.qty-btn {
    border: none;
    background: none;
    width: 28px;
    height: 28px;
    cursor: pointer;
    font-weight: bold;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast);
    color: var(--primary-dark);
}

.qty-btn:hover {
    background-color: rgba(49, 101, 146, 0.15);
}

.qty-input {
    width: 38px;
    text-align: center;
    border: none;
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    background-color: var(--bg-white);
    font-size: 0.85rem;
    font-family: var(--font-mono);
    font-weight: 600;
    padding: 0.25rem 0;
    color: var(--text-main);
}

.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.btn-remove-item {
    background: none;
    border: none;
    color: #ef4444;
    cursor: pointer;
    padding: 0.35rem;
    border-radius: var(--radius-xs);
    transition: background-color var(--transition-fast), color var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-remove-item:hover {
    background-color: rgba(239, 68, 68, 0.1);
    color: #dc2626;
}

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

.cart-summary-block.hidden {
    display: none;
}

.summary-line {
    font-size: 0.95rem;
    color: var(--text-main);
}

.summary-line strong {
    font-family: var(--font-mono);
    color: var(--primary);
    font-size: 1.1rem;
    margin-left: 0.35rem;
}

.btn-clear {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    text-decoration: underline;
    transition: color var(--transition-fast);
}

.btn-clear:hover {
    color: #ef4444;
}

/* Inquiry Form */
.inquiry-form-panel {
    background-color: var(--bg-white);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2.75rem;
    box-shadow: var(--shadow-md);
}

.quote-request-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.form-group-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.form-group label {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--primary-dark);
}

.required-star {
    color: #ef4444;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.85rem 1.1rem;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-xs);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
    background-color: var(--bg-light);
    color: var(--text-main);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background-color: var(--bg-white);
    box-shadow: 0 0 0 3.5px rgba(49, 101, 146, 0.14);
}

.form-group input.input-error,
.form-group select.input-error {
    border-color: #ef4444;
    background-color: #fef2f2;
}

.form-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 0.75rem;
}

.form-disclosure {
    font-size: 0.78rem;
    color: var(--text-muted);
    text-align: center;
    line-height: 1.55;
    margin-top: 0.5rem;
}

/* --------------------------------------------------------------------------
   14. Toast Notification System
   -------------------------------------------------------------------------- */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    z-index: 9999;
    pointer-events: none;
    max-width: 380px;
    width: calc(100% - 4rem);
}

.toast {
    position: relative;
    pointer-events: auto;
    background: rgba(14, 39, 63, 0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(56, 189, 248, 0.3);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.35);
    border-radius: var(--radius-sm);
    padding: 1rem 1.25rem;
    color: var(--text-white);
    display: flex;
    align-items: center;
    gap: 0.85rem;
    animation: toastSlideUp 0.35s var(--ease-out-expo) forwards;
    overflow: hidden;
}

.toast.toast-hiding {
    animation: toastSlideDown 0.35s var(--ease-out-expo) forwards;
}

@keyframes toastSlideUp {
    from {
        opacity: 0;
        transform: translateY(24px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes toastSlideDown {
    from {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    to {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
}

.toast-icon {
    width: 22px;
    height: 22px;
    color: var(--secondary);
    flex-shrink: 0;
}

.toast-content {
    flex-grow: 1;
}

.toast-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.875rem;
    color: #e0f2fe;
    line-height: 1.2;
}

.toast-msg {
    font-size: 0.8rem;
    color: var(--text-light-gray);
    margin-top: 0.2rem;
    line-height: 1.35;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: 0.25rem;
    font-size: 1.1rem;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-fast);
}

.toast-close:hover {
    color: var(--text-white);
}

.toast-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--secondary), var(--cyan-glow));
    width: 100%;
    animation: toastProgress 2.8s linear forwards;
}

@keyframes toastProgress {
    from { width: 100%; }
    to { width: 0%; }
}

/* --------------------------------------------------------------------------
   15. Contact & Map Section
   -------------------------------------------------------------------------- */
.contact-section {
    padding: 6.5rem 0;
    background-color: var(--bg-light);
    border-top: 1px solid var(--border-color);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.25fr;
    gap: 3.5rem;
    align-items: center;
}

.contact-info-panel {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-card {
    background-color: var(--bg-white);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.85rem;
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.contact-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: rgba(49, 101, 146, 0.35);
}

.contact-card-icon {
    font-size: 2rem;
    background: linear-gradient(135deg, rgba(49, 101, 146, 0.1) 0%, rgba(56, 189, 248, 0.12) 100%);
    width: 54px;
    height: 54px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid rgba(49, 101, 146, 0.12);
}

.contact-card-text h4 {
    font-size: 1.15rem;
    color: var(--primary-dark);
    margin-bottom: 0.4rem;
}

.contact-card-text p {
    color: var(--text-muted);
    margin-bottom: 0.4rem;
    font-size: 0.95rem;
    line-height: 1.6;
}

.contact-lnk {
    color: var(--primary-dark);
    font-weight: 600;
}

.contact-lnk:hover {
    color: var(--primary);
}

.contact-card-text .small {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.map-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--primary);
    margin-top: 0.5rem;
}

.link-arrow {
    width: 14px;
    height: 14px;
    transition: transform var(--transition-fast);
}

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

.contact-map-panel {
    width: 100%;
}

.map-card-wrapper {
    background-color: var(--bg-white);
    padding: 1rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1.5px solid var(--border-color);
    overflow: hidden;
}

.map-action-bar {
    margin-top: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    padding: 0.25rem 0.5rem;
}

.map-action-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--primary-dark);
}

.map-action-btn {
    padding: 0.55rem 1.15rem;
    font-size: 0.85rem;
    border-radius: var(--radius-xs);
}

/* --------------------------------------------------------------------------
   16. Main Footer Section
   -------------------------------------------------------------------------- */
.main-footer {
    background-color: var(--bg-dark);
    color: var(--text-light-gray);
    padding: 5.5rem 0 2rem;
    border-top: 3px solid var(--primary);
    position: relative;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

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

.footer-logo-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-logo {
    height: 40px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 2px 6px rgba(0,0,0,0.5));
}

.footer-logo-link span {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.35rem;
    color: var(--text-white);
    letter-spacing: -0.01em;
}

.footer-tagline {
    font-size: 0.9rem;
    line-height: 1.65;
    color: #94a3b8;
    margin-bottom: 0;
}

.stockist-footer-badge {
    font-size: 0.85rem;
    color: #94a3b8;
    background-color: rgba(255, 255, 255, 0.04);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-xs);
    border-left: 3px solid var(--primary-light);
    margin-bottom: 0;
}

.footer-links-column h4,
.footer-contact-column h4 {
    color: var(--text-white);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-links-column h4::after,
.footer-contact-column h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 32px;
    height: 2px;
    background-color: var(--primary-light);
}

.footer-links-column ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links-column ul a {
    color: #94a3b8;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.footer-links-column ul a:hover {
    color: var(--cyan-glow);
    padding-left: 4px;
}

.footer-contact-column p {
    color: #94a3b8;
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

.footer-contact-column p strong {
    color: var(--text-white);
}

.footer-contact-column p a {
    color: #94a3b8;
}

.footer-contact-column p a:hover {
    color: var(--cyan-glow);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: #64748b;
    margin-bottom: 0;
    max-width: 700px;
}

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

.footer-bottom-links a {
    font-size: 0.8125rem;
    color: #64748b;
}

.footer-bottom-links a:hover {
    color: var(--cyan-glow);
}

/* --------------------------------------------------------------------------
   17. Responsive Layout Breakpoints
   -------------------------------------------------------------------------- */

/* Tablet (max 1024px) */
@media (max-width: 1024px) {
    .header-container {
        padding: 0 1.5rem;
        gap: 1rem;
    }

    .mobile-nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        height: auto;
        max-height: 0;
        opacity: 0;
        pointer-events: none;
        overflow: hidden;
        background-color: rgba(7, 18, 30, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid rgba(56, 189, 248, 0.25);
        box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5);
        transition: max-height 0.4s var(--ease-out-expo), opacity 0.3s ease;
        z-index: 999;
    }

    .nav-menu.open {
        max-height: 440px;
        opacity: 1;
        pointer-events: auto;
        padding-bottom: 1.5rem;
    }

    .nav-menu ul {
        flex-direction: column;
        align-items: flex-start;
        padding: 1.5rem 2rem;
        gap: 1rem;
    }

    .nav-link {
        font-size: 1.05rem;
        color: #e2e8f0;
        display: block;
        width: 100%;
        padding: 0.6rem 0;
    }

    .nav-link::after {
        display: none !important;
    }

    .nav-link.active {
        color: var(--cyan-glow);
    }

    .hero-container {
        grid-template-columns: 1.1fr 0.9fr;
        gap: 2.5rem;
    }
    
    .hero-large-logo {
        max-height: 280px;
    }

    .hero-title {
        font-size: 3rem;
    }
    
    .catalog-layout {
        grid-template-columns: 1fr;
    }
    
    .catalog-sidebar {
        position: relative;
        top: 0;
        margin-bottom: 1.5rem;
        width: 100% !important;
        overflow: hidden !important;
    }
    
    .category-tabs {
        flex-direction: row;
        overflow-x: auto;
        padding: 0.65rem;
        gap: 0.5rem;
        white-space: nowrap;
        scrollbar-width: none;
    }
    
    .category-tabs::-webkit-scrollbar {
        display: none;
    }
    
    .tab-item {
        flex-shrink: 0;
    }
    
    .tab-button {
        padding: 0.75rem 1rem;
        gap: 0.5rem;
    }
    
    .tab-icon {
        font-size: 1.2rem;
    }
    
    .inquiry-layout {
        grid-template-columns: 1fr;
    }
    
    .inquiry-cart-panel {
        position: relative;
        top: 0;
    }
    
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2.5rem;
    }
}

/* Mobile (max 768px) */
@media (max-width: 768px) {
    :root {
        --header-height: 72px;
    }
    
    .main-header {
        top: 0 !important;
        width: 100% !important;
        height: 72px !important;
        border-radius: 0 !important;
    }
    
    .main-header.shrink {
        top: 0 !important;
        height: 72px !important;
    }

    .header-container {
        padding: 0 1.25rem !important;
    }

    .header-logo {
        height: 36px;
    }

    .logo-title {
        font-size: 1.1rem;
    }

    .logo-subtitle {
        font-size: 0.6rem;
    }

    .header-actions {
        gap: 0.65rem;
    }

    .btn-request-quote {
        padding: 0.55rem 0.95rem;
        font-size: 0.8rem;
    }

    .btn-request-quote .btn-arrow {
        display: none;
    }
    
    .hero-section {
        min-height: auto;
        padding-top: calc(var(--header-height) + 2.5rem);
        padding-bottom: 4.5rem;
    }
    
    .hero-container {
        grid-template-columns: 1fr !important;
        gap: 2rem !important;
        text-align: center !important;
    }
    
    .hero-content {
        order: 1;
    }
    
    .hero-graphic-block {
        order: 2;
    }
    
    .badge-sd-fine {
        justify-content: center !important;
        margin-bottom: 1rem !important;
        font-size: 0.85rem;
    }
    
    .hero-title {
        font-size: 2.15rem;
        line-height: 1.2;
        margin-bottom: 0.85rem;
    }
    
    .hero-description {
        font-size: 0.95rem;
        margin-bottom: 1.75rem;
        line-height: 1.6;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .btn {
        width: 100%;
    }
    
    .hero-large-logo {
        max-height: 180px !important;
        margin: 0 auto;
    }
    
    .hero-scroll-indicator {
        display: none;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .about-stats-grid {
        grid-template-columns: 1fr !important;
        gap: 1rem !important;
    }
    
    .category-tabs .tab-sub {
        display: none !important;
    }
    
    .subcategories-grid {
        grid-template-columns: 1fr !important;
        gap: 1.25rem;
    }
    
    .form-group-row {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr !important;
        gap: 2rem !important;
    }
    
    .footer-bottom {
        flex-direction: column-reverse;
        align-items: center;
        text-align: center;
    }
    
    .toast-container {
        right: 1rem;
        bottom: 1rem;
        width: calc(100% - 2rem);
    }
}

/* Small Mobile (max 480px) */
@media (max-width: 480px) {
    .logo-subtitle {
        display: none;
    }
    .logo-title {
        font-size: 1.05rem;
    }
    .header-logo {
        height: 32px;
    }
    .btn-request-quote span {
        display: inline;
    }
    .btn-request-quote {
        padding: 0.5rem 0.8rem;
        font-size: 0.78rem;
    }
    .cart-btn {
        width: 36px;
        height: 36px;
    }
    .header-actions {
        gap: 0.45rem;
    }
    .container {
        padding-right: 1.15rem !important;
        padding-left: 1.15rem !important;
    }
    .card-footer {
        flex-direction: column !important;
        gap: 0.5rem !important;
    }
    .add-to-quote-btn, .quick-wa-btn {
        width: 100% !important;
        justify-content: center !important;
        text-align: center;
    }
}

/* --------------------------------------------------------------------------
   18. Accessibility & Reduced Motion Mode
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .reveal,
    .reveal-up,
    .reveal-left,
    .reveal-right,
    .reveal-scale {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }

    .hero-large-logo {
        animation: none !important;
    }

    .hero-logo-halo {
        animation: none !important;
    }

    .hero-particle-canvas {
        display: none !important;
    }

    .slider-track {
        animation: none !important;
    }

    .scroll-progress-bar {
        transition: none !important;
    }

    .scroll-indicator-icon {
        animation: none !important;
    }
}