@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f5f9;
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-muted: #9ca3af;
    --primary: #153661; /* Navy Blue */
    --primary-hover: #0f284a;
    --accent: #FAA41A; /* Gold/Yellow */
    --accent-hover: #e08f10;
    --accent-green: #10b981;
    --accent-red: #ef4444;
    --border-color: #e5e7eb;
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(21, 54, 97, 0.08);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow: 0 10px 30px -10px rgba(21, 54, 97, 0.12);
    --shadow-hover: 0 20px 40px -15px rgba(21, 54, 97, 0.2);
    --glow: 0 0 20px rgba(250, 164, 26, 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

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

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

button, input, select, textarea {
    font-family: inherit;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

header.scrolled {
    padding: 5px 0;
    background: #ffffff;
    box-shadow: var(--shadow);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    transition: var(--transition);
}

header.scrolled .navbar {
    padding: 8px 0;
}

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

.logo-img {
    height: 48px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    font-size: 15px;
    font-weight: 600;
    color: var(--primary);
}

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

.contact-nav {
    display: flex;
    align-items: center;
    gap: 24px;
}

.phone-link {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    color: var(--primary);
}

.phone-link:hover {
    color: var(--accent);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 28px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background-color: var(--accent);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(250, 164, 26, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(250, 164, 26, 0.4);
    background-color: var(--accent-hover);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background-color: var(--primary);
    color: #ffffff;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    background: none;
    border: none;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--primary);
    transition: var(--transition);
}

/* Mobile Nav Overlay */
.mobile-nav {
    position: fixed;
    top: 0;
    left: 100%;
    width: 100%;
    height: 100vh;
    background-color: var(--bg-primary);
    z-index: 999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 30px;
    transition: var(--transition);
}

.mobile-nav.active {
    left: 0;
}

.mobile-nav a {
    font-size: 24px;
    font-weight: 700;
    font-family: var(--font-heading);
    color: var(--primary);
}

.mobile-nav a:hover {
    color: var(--accent);
}

.mobile-nav .close-btn {
    position: absolute;
    top: 30px;
    right: 30px;
    font-size: 36px;
    background: none;
    border: none;
    color: var(--primary);
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    background: radial-gradient(circle at 80% 20%, rgba(250, 164, 26, 0.05) 0%, transparent 55%),
                radial-gradient(circle at 10% 80%, rgba(21, 54, 97, 0.03) 0%, transparent 55%);
    border-bottom: 1px solid var(--border-color);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    font-size: 52px;
    line-height: 1.15;
    margin-bottom: 24px;
    color: var(--primary);
}

.hero-content h1 span {
    color: var(--accent);
}

.hero-content p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 580px;
}

.hero-features {
    display: flex;
    gap: 24px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.hero-feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--primary);
    font-size: 15px;
}

.hero-feature-item i {
    color: var(--accent);
    font-size: 18px;
}

/* Quote Box Card */
.quote-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    box-shadow: var(--shadow);
}

.quote-card h3 {
    font-size: 22px;
    margin-bottom: 8px;
    color: var(--primary);
}

.quote-card p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--primary);
}

.form-control {
    width: 100%;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px 14px;
    color: var(--text-primary);
    font-size: 14px;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(21, 54, 97, 0.08);
}

textarea.form-control {
    resize: none;
    height: 80px;
}

/* Price Calculator Display Removal */
.price-display {
    display: none !important;
}

.calc-note {
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
    margin-top: 10px;
}

/* Features Bar Section */
.features-bar {
    padding: 50px 0;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.features-bar-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-bar-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.feature-bar-item .icon-wrapper {
    width: 54px;
    height: 54px;
    border-radius: 12px;
    background: rgba(21, 54, 97, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 24px;
}

.feature-bar-item h4 {
    font-size: 16px;
    margin-bottom: 4px;
    color: var(--primary);
}

.feature-bar-item p {
    font-size: 13px;
    color: var(--text-secondary);
}

/* Section Common Styling */
.section {
    padding: 80px 0;
}

.section-secondary {
    background-color: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 36px;
    margin-bottom: 16px;
    color: var(--primary);
}

.section-header p {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    font-size: 16px;
}

/* Product Categories / Showcase Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.product-card {
    background-color: var(--bg-card);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

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

.product-image {
    position: relative;
    padding-top: 75%; /* 4:3 Aspect Ratio */
    background-color: #f1f5f9;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.product-info {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-info h3 {
    font-size: 18px;
    margin-bottom: 8px;
    line-height: 1.3;
    color: var(--primary);
}

.product-info p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    flex-grow: 1;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
    font-size: 13px;
    color: var(--text-secondary);
}

.product-meta span i {
    color: var(--accent);
    margin-right: 4px;
}

/* Category Filter Section */
.filter-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 48px;
}

.filter-tab {
    padding: 10px 20px;
    border-radius: 30px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    cursor: pointer;
    transition: var(--transition);
}

.filter-tab.active, .filter-tab:hover {
    background-color: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
}

/* How It Works Steps */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.step-card {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--primary);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 800;
    margin: 0 auto 24px;
    box-shadow: 0 4px 10px rgba(21, 54, 97, 0.2);
    position: relative;
    z-index: 2;
}

.step-card h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--primary);
}

.step-card p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
    box-shadow: var(--shadow);
}

.testimonial-stars {
    color: var(--accent);
    font-size: 14px;
    margin-bottom: 16px;
}

.testimonial-card p {
    font-style: italic;
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.testimonial-user {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: rgba(21, 54, 97, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--primary);
    border: 1px solid var(--border-color);
}

.user-details h4 {
    font-size: 15px;
    margin-bottom: 2px;
    color: var(--primary);
}

.user-details span {
    font-size: 12px;
    color: var(--text-muted);
}

/* Product Detail Page Layout */
.product-detail-hero {
    padding: 160px 0 60px;
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.product-gallery {
    position: sticky;
    top: 120px;
}

.product-gallery-main {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    min-height: 400px;
    box-shadow: var(--shadow);
}

.product-gallery-main img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.product-detail-info h1 {
    font-size: 40px;
    margin-bottom: 16px;
    color: var(--primary);
}

.product-meta-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 30px;
}

.meta-badge {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
}

.meta-badge.highlight {
    background-color: rgba(250, 164, 26, 0.1);
    border-color: var(--accent);
    color: var(--accent-hover);
}

.product-description-brief {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

/* Specifications Table */
.spec-table-title {
    font-size: 20px;
    margin-bottom: 16px;
    border-left: 4px solid var(--accent);
    padding-left: 12px;
    color: var(--primary);
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 40px;
}

.spec-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
}

.spec-table tr:hover {
    background-color: var(--bg-secondary);
}

.spec-table td:first-child {
    font-weight: 700;
    color: var(--primary);
    width: 40%;
}

.spec-table td:last-child {
    color: var(--text-secondary);
}

/* Product Content Section (2,000+ words styling) */
.product-long-content {
    padding: 80px 0;
}

.content-layout {
    display: grid;
    grid-template-columns: 8.5fr 3.5fr;
    gap: 50px;
}

.rich-content h2 {
    font-size: 28px;
    margin: 40px 0 20px;
    color: var(--primary);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 8px;
}

.rich-content h2:first-child {
    margin-top: 0;
}

.rich-content h3 {
    font-size: 22px;
    margin: 30px 0 16px;
    color: var(--primary);
}

.rich-content p {
    margin-bottom: 24px;
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.8;
}

.rich-content ul {
    margin-bottom: 24px;
    padding-left: 20px;
    color: var(--text-secondary);
}

.rich-content li {
    margin-bottom: 10px;
    font-size: 16px;
}

.rich-content strong {
    color: var(--primary);
}

/* Sidebar Styling */
.sidebar-box {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 28px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
}

.sidebar-box h3 {
    font-size: 18px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 12px;
    color: var(--primary);
}

.internal-links-list {
    list-style: none;
}

.internal-links-list li {
    margin-bottom: 12px;
}

.internal-links-list a {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
}

.internal-links-list a:hover {
    color: var(--accent);
    transform: translateX(4px);
}

/* FAQ Accordion Styles */
.faq-accordion {
    margin-top: 40px;
}

.faq-item {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 16px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-header {
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 700;
    color: var(--primary);
    transition: var(--transition);
}

.faq-header:hover {
    background-color: #f1f5f9;
}

.faq-icon {
    font-size: 14px;
    color: var(--primary);
    transition: var(--transition);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-body {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.7;
}

.faq-item.active .faq-body {
    padding: 0 24px 24px;
    max-height: 1000px;
    transition: max-height 0.5s cubic-bezier(1, 0, 1, 0);
}

/* Quote Calculator Card Styles */
.calc-card {
    background-color: var(--bg-card);
    border: 2px solid var(--primary);
    border-radius: 12px;
    padding: 28px;
    box-shadow: var(--shadow);
}

/* Contact Page Grid */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info-panel h2 {
    font-size: 32px;
    margin-bottom: 20px;
    color: var(--primary);
}

.contact-info-panel p {
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.contact-details-list {
    list-style: none;
}

.contact-detail-row {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-detail-row i {
    font-size: 24px;
    color: var(--accent);
    width: 30px;
    text-align: center;
}

.contact-detail-row h4 {
    font-size: 16px;
    margin-bottom: 4px;
    color: var(--primary);
}

.contact-detail-row p {
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* Toast Message */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--primary);
    border-left: 4px solid var(--accent);
    padding: 16px 28px;
    border-radius: 4px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    z-index: 2000;
    display: flex;
    align-items: center;
    gap: 12px;
    transform: translateY(100px);
    opacity: 0;
    color: #ffffff;
    transition: var(--transition);
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.success {
    border-left-color: var(--accent-green);
}

.toast.error {
    border-left-color: var(--accent-red);
}

/* Search Bar on Product List */
.search-container {
    width: 100%;
    max-width: 500px;
    margin: 0 auto 40px;
    position: relative;
}

.search-input {
    width: 100%;
    padding: 14px 20px;
    border-radius: 30px;
    background-color: #ffffff;
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    font-size: 15px;
    transition: var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(21, 54, 97, 0.08);
}

/* Policy Pages Layout */
.policy-page {
    padding: 160px 0 80px;
}

.policy-content {
    max-width: 800px;
    margin: 0 auto;
}

.policy-content h1 {
    font-size: 40px;
    margin-bottom: 16px;
    color: var(--primary);
    border-bottom: 3px solid var(--accent);
    padding-bottom: 10px;
}

.policy-content h2 {
    font-size: 24px;
    margin: 35px 0 15px;
    color: var(--primary);
}

.policy-content p {
    margin-bottom: 20px;
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
}

.policy-content ul {
    margin-bottom: 20px;
    padding-left: 20px;
    color: var(--text-secondary);
}

.policy-content li {
    margin-bottom: 8px;
}

/* Blog Styles */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.blog-card {
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.blog-card-image {
    height: 200px;
    background-color: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-card-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.blog-card-date {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 8px;
}

.blog-card-content h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--primary);
}

.blog-card-content p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    flex-grow: 1;
}

/* Footer Section */
footer {
    background-color: #0b1829;
    border-top: 4px solid var(--accent);
    padding: 80px 0 30px;
    color: #cbd5e1;
}

footer h3, footer h4 {
    color: #ffffff;
}

footer .logo-img {
    height: 52px;
    margin-bottom: 15px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-col p {
    font-size: 14px;
    color: #94a3b8;
    margin-bottom: 24px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    font-size: 14px;
    color: #94a3b8;
    font-weight: 500;
}

.footer-links a:hover {
    color: var(--accent);
    padding-left: 4px;
}

/* Social Icons in Footer */
.social-icons {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.social-icon {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 16px;
    transition: var(--transition);
}

.social-icon:hover {
    background-color: var(--accent);
    color: #ffffff;
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: #64748b;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .hero-grid, .product-detail-grid, .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .content-layout {
        grid-template-columns: 1fr;
    }
    
    .sidebar-box {
        position: static;
    }
    
    .features-bar-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none; /* Mobile menu toggled via JS */
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero-content h1 {
        font-size: 36px;
    }
    
    .features-bar-grid, .steps-grid, .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
}

/* --- 3D, Animation & Premium Design Additions --- */

/* Glassmorphism Header */
header {
    background: rgba(255, 255, 255, 0.75) !important;
    backdrop-filter: blur(20px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(20px) saturate(180%) !important;
    border-bottom: 1px solid rgba(21, 54, 97, 0.06) !important;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
}

header.scrolled {
    background: rgba(255, 255, 255, 0.9) !important;
    border-bottom: 1px solid rgba(21, 54, 97, 0.1) !important;
}

/* 3D Perspective and Tilt Effects */
.product-card, .blog-card, .quote-card, .calc-card, .sidebar-box, .faq-item {
    transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1), 
                box-shadow 0.6s cubic-bezier(0.165, 0.84, 0.44, 1), 
                border-color 0.4s ease;
    transform-style: preserve-3d;
    perspective: 1200px;
    backface-visibility: hidden;
}

.product-card:hover, .blog-card:hover {
    transform: translateY(-8px) rotateX(2deg) rotateY(2deg) translateZ(12px) !important;
    border-color: var(--accent) !important;
    box-shadow: 0 30px 50px -15px rgba(21, 54, 97, 0.22), 
                0 0 25px rgba(250, 164, 26, 0.18) !important;
}

.quote-card:hover, .calc-card:hover {
    transform: translateY(-4px) rotateX(1deg) rotateY(1deg) translateZ(5px);
    box-shadow: 0 20px 40px -10px rgba(21, 54, 97, 0.15) !important;
    border-color: rgba(250, 164, 26, 0.4);
}

/* Scroll Reveal Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px) scale(0.98);
    transition: opacity 0.8s cubic-bezier(0.165, 0.84, 0.44, 1), 
                transform 0.8s cubic-bezier(0.165, 0.84, 0.44, 1);
}

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

/* Glowing Elements & Hover Micro-animations */
.btn-primary {
    position: relative;
    overflow: hidden;
    z-index: 1;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transform: translateX(-100%);
    transition: 0.6s;
    z-index: -1;
}

.btn-primary:hover::before {
    transform: translateX(100%);
}

.btn-primary:hover {
    box-shadow: 0 8px 25px rgba(250, 164, 26, 0.5), 0 0 15px rgba(250, 164, 26, 0.2) !important;
    transform: translateY(-3px) scale(1.02);
}

/* Float Animation for Hero banner or key graphic icons */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
}

.hero-image-container, .floating-icon {
    animation: float 6s ease-in-out infinite;
}

/* Product Detail 3-Image Gallery Styles */
.product-gallery-thumbs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 15px;
}

.gallery-thumb-img {
    height: 80px;
    border-radius: 6px;
    overflow: hidden;
    border: 2px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition);
}

.gallery-thumb-img:hover, .gallery-thumb-img.active {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(21, 54, 97, 0.1);
}

.gallery-thumb-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Related Products Grid (Requirement 9) */
.related-products-section {
    padding: 60px 0;
    border-top: 1px solid var(--border-color);
}

.related-products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 30px;
}

@media (max-width: 1024px) {
    .related-products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .related-products-grid {
        grid-template-columns: 1fr;
    }
}

/* Blog Table of Contents (Requirement 8) */
.toc-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 35px;
    box-shadow: var(--shadow);
}

.toc-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.toc-list {
    list-style: none;
    padding-left: 0;
}

.toc-list li {
    margin-bottom: 8px;
    position: relative;
    padding-left: 20px;
}

.toc-list li::before {
    content: "\f0da";
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--accent);
}

.toc-list a {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
}

.toc-list a:hover {
    color: var(--accent);
    padding-left: 4px;
}

/* Related Articles Section for Blogs (Requirement 8) */
.related-articles {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
}

.related-articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 24px;
}

@media (max-width: 768px) {
    .related-articles-grid {
        grid-template-columns: 1fr;
    }
}

/* Elegant Thank You Landing Page Styles */
.thank-you-card {
    text-align: center;
    padding: 60px 40px;
    max-width: 600px;
    margin: 120px auto 60px;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(21, 54, 97, 0.08);
    transform-style: preserve-3d;
    perspective: 1000px;
    animation: float 6s ease-in-out infinite;
}

.thank-you-icon {
    font-size: 80px;
    color: var(--accent-green);
    margin-bottom: 24px;
    display: inline-block;
    filter: drop-shadow(0 10px 15px rgba(16, 185, 129, 0.2));
}

.thank-you-card h1 {
    font-size: 32px;
    margin-bottom: 16px;
    color: var(--primary);
}

.thank-you-card p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

/* Toast styling override if missing */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #ffffff;
    color: var(--text-primary);
    padding: 16px 24px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 2000;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border-left: 4px solid var(--accent-green);
}
.toast.error {
    border-left-color: var(--accent-red);
}
.toast.show {
    transform: translateY(0);
    opacity: 1;
}