/* Voltrra Modern Design System */
:root {
    --primary-color: #dc861f;
    /* Custom Orange */
    --secondary-color: #212226;
    /* Dark Grey */
    --accent-color: #212226;
    /* Dark Grey */
    --text-color: #333333;
    --light-bg: #f5f7fa;
    --white: #ffffff;
    --border-color: #e0e0e0;
    --transition-speed: 0.3s;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --font-heading: 'Inter', sans-serif;
    --font-body: 'Roboto', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-bg);
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    margin-bottom: 1rem;
    color: var(--accent-color);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-speed);
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 30px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-color);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('imgs/background-img/hero.webp');
    background-size: cover;
    background-position: center;
    color: var(--white);
    padding: 10rem 0;
    text-align: center;
    margin-bottom: 2rem;
}

.hero h1 {
    color: var(--white);
    font-size: clamp(2rem, 5vw + 1rem, 3.5rem);
    /* Fluid typography */
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background-color: var(--primary-color);
    color: var(--white);
    font-weight: 600;
    border-radius: 4px;
    transition: transform var(--transition-speed), background-color var(--transition-speed);
    min-height: 44px;
    /* Ensure touch target size */
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn:hover {
    transform: translateY(-2px);
    background-color: #e69532;
}

.about-hero {
    padding: 6rem 0 3rem 0;
    min-height: auto;
    background-position: center;
}

@media (max-width: 768px) {
    .about-hero {
        padding: 4rem 1rem 2rem 1rem;
    }

    .about-hero h1 {
        font-size: 2rem;
    }

    .about-hero .btn {
        width: 100%;
        max-width: 300px;
        box-sizing: border-box;
    }
}

/* Sections */
.section {
    padding: 3rem 0;
}

.section-title {
    text-align: center;
    font-size: clamp(1.75rem, 4vw + 1rem, 2.5rem);
    /* Fluid typography */
    margin-bottom: 2rem;
}

/* Cards */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: transform var(--transition-speed);
    overflow: hidden;
    /* Ensure image doesn't overflow corners */
}

.card img {
    width: 100%;
    height: 200px;
    object-fit: contain;
    background-color: #f9f9f9;
    margin-bottom: 1rem;
    border-bottom: 1px solid #eee;
}

.card:hover {
    transform: translateY(-5px);
}

.card h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* Footer */
footer {
    background-color: #212226;
    color: #ffffff;
    padding: 4rem 0 2rem 0;
    margin-top: 4rem;
}

.footer-top-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-column h4 {
    color: #ffffff;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-column ul li {
    margin-bottom: 0.8rem;
}

.footer-column ul li a {
    color: #cccccc;
    font-size: 0.95rem;
    transition: color 0.3s;
    display: block;
    /* Increase touch target area */
    padding: 0.3rem 0;
    /* Add vertical padding */
}

.footer-column ul li a:hover {
    color: var(--primary-color);
}

/* Footer Form */
.footer-form input,
.footer-form textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #ffffff;
    font-family: var(--font-body);
    font-size: 0.9rem;
}

.footer-form button {
    background-color: var(--primary-color);
    color: #ffffff;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.8rem;
    transition: background-color 0.3s;
}

.footer-form button:hover {
    background-color: #e69532;
}

/* Footer Bottom */
.footer-bottom-bar {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: #999999;
}

.social-icons {
    display: flex;
    gap: 1.5rem;
}

.social-icons a {
    color: #ffffff;
}

/* Footer Responsive */
@media (max-width: 900px) {
    .footer-top-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 600px) {
    .footer-top-grid {
        grid-template-columns: 1fr;
    }
}


/* Produce Clean Energy Section */
.produce-energy-section {
    background-color: #212226;
    color: #ffffff;
    padding: 3rem 0;
}

.produce-energy-grid {
    display: flex;
    align-items: center;
    gap: 4rem;
}

.produce-energy-content {
    flex: 1;
}

.produce-energy-content h2 {
    color: #ffffff;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.produce-energy-content p {
    font-size: 1rem;
    color: #cccccc;
    line-height: 1.6;
    margin-bottom: 3rem;
    max-width: 600px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.stat-card {
    background-color: #1a1a1a;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-radius: 6px;
    transition: transform 0.3s;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-icon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.stat-icon svg {
    width: 28px;
    height: 28px;
    fill: #ffffff;
}

.stat-text h3 {
    color: #ffffff;
    margin: 0;
    font-size: 1.2rem;
    font-weight: 700;
}

.stat-text p {
    color: #cccccc;
    margin: 0;
    font-size: 0.9rem;
}

.produce-energy-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.produce-energy-image img {
    max-width: 80%;
    transform: none;
    filter: drop-shadow(0 0 30px rgba(0, 0, 0, 0.5));
}


/* Responsive adjustments */
@media (max-width: 900px) {
    .produce-energy-grid {
        flex-direction: column;
        text-align: center;
    }

    .produce-energy-content p {
        margin: 0 auto 3rem auto;
    }

    .stats-grid {
        text-align: left;
    }
}

@media (max-width: 600px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        padding: 1.5rem;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
        transform: translateY(-20px);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: all 0.3s ease;
        z-index: 999;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    .nav-links a {
        padding: 0.8rem 0;
        /* Larger touch target */
        border-bottom: 1px solid #f0f0f0;
        display: block;
    }

    .nav-links a:last-child {
        border-bottom: none;
    }

    .menu-toggle {
        display: block;
    }

    .hero h1 {
        font-size: 2rem;
    }

    /* Mobile adjustments for products */
    .products-grid,
    .grid {
        gap: 1.5rem;
    }

    .product-card {
        padding: 1.5rem;
    }

    .product-card h3 {
        font-size: 1.3rem;
    }

    .product-image {
        height: 220px;
        margin-bottom: 1rem;
    }
}

/* FAQ Section */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

details {
    background: var(--white);
    margin-bottom: 1rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

summary {
    padding: 1.5rem;
    cursor: pointer;
    font-weight: 600;
    list-style: none;
    position: relative;
    padding-right: 3rem;
    transition: color var(--transition-speed);
}

summary::-webkit-details-marker {
    display: none;
}

summary::after {
    content: '+';
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 400;
}

details[open] summary {
    color: var(--primary-color);
    border-bottom: 1px solid #eee;
}

details[open] summary::after {
    content: '-';
}

.faq-content {
    padding: 1.5rem;
    color: var(--text-color);
    line-height: 1.7;
    background-color: #fcfcfc;
}

/* Product Section Redesign */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.product-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    padding: 2.5rem 1.5rem;
    text-align: center;
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed), border-color var(--transition-speed);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}

.product-image {
    width: 100%;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.product-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.product-card h3 {
    font-size: 1.5rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    font-weight: 800;
}

.product-specs {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

.product-separator {
    width: 60px;
    height: 2px;
    background-color: var(--primary-color);
    margin: 0 auto 1.5rem auto;
}

.product-link {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1rem;
    transition: color var(--transition-speed);
}

.product-link:hover {
    /* Slightly darker gold/orange or just opacity change */
    text-decoration: underline;
}

/* Leading Provider Section */
.leading-provider-section {
    background-color: #212226;
    color: #ffffff;
    padding: 5rem 0;
    margin-top: 4rem;
}

.leading-provider-content {
    display: flex;
    align-items: center;
    gap: 4rem;
}

.leading-provider-text {
    flex: 1;
}

.leading-provider-text h2 {
    color: #ffffff;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.leading-provider-text p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.separator-line {
    width: 100%;
    height: 1px;
    background-color: rgba(255, 255, 255, 0.2);
    margin-bottom: 2rem;
}

.btn-primary-cta {
    display: inline-block;
    background-color: var(--primary-color);
    color: #ffffff;
    padding: 1rem 2rem;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.9rem;
    border-radius: 4px;
    letter-spacing: 1px;
    transition: background-color var(--transition-speed);
}

.btn-primary-cta:hover {
    background-color: #e69532;
    /* Lighter orange */
    text-decoration: none;
}

.leading-provider-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.leading-provider-image img {
    max-width: 70%;
    filter: drop-shadow(0 0 20px rgba(0, 0, 0, 0.5));
}

@media (max-width: 900px) {
    .leading-provider-content {
        flex-direction: column;
        gap: 3rem;
        text-align: center;
    }

    .leading-provider-text h2 {
        font-size: 2rem;
    }


    .leading-provider-image img {
        max-width: 80%;
    }
}

/* Spec Page Styling */
/* Hero */
.inverter-hero {
    position: relative;
    background-image: url('imgs/product-img/invertors/Single Phase Hybrid Inverter/02.webp');
    /* Fallback/Placeholder if actual hero bg is not separated */
    background-size: cover;
    background-position: center;
    color: white;
    padding: 6rem 0;
    text-align: center;
    background-color: #1a1a1a;
    overflow: hidden;
}

/* Use a dark overlay to ensure text readability */
/* Use a dark overlay to ensure text readability */
.inverter-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1;
}

.inverter-hero h1 {
    color: #ffffff;
    font-weight: 800;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    margin-bottom: 1rem;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.btn-outline {
    border: 2px solid white;
    color: white;
    padding: 0.8rem 2rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-outline:hover {
    background: white;
    color: var(--text-color);
}

.hero-description {
    margin: 0 auto;
    font-size: 1.1rem;
}

/* Responsive Tables */
.table-responsive {
    width: 100%;
    margin-bottom: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
}

th,
td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #eee;
    white-space: normal;
    /* Allow text wrapping */
    word-break: break-word;
    /* Ensure long words break safely */
}

th {
    background-color: #f0f0f0;
    /* Light background */
    color: #000000;
    /* Sharp Black */
    font-weight: 700;
    border-bottom: 2px solid #000000;
    /* Underscore for emphasis */
}

tr:nth-child(even) {
    background-color: #f9f9f9;
}

tr:hover {
    background-color: #f1f1f1;
}

.table-section-header td {
    background-color: #e0e0e0;
    font-weight: 700;
    color: var(--secondary-color);
    text-align: center;
}

/* Gallery */
.product-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    align-items: center;
    margin-bottom: 3rem;
}

@media (max-width: 600px) {
    .product-gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        /* Force 2 columns on mobile */
        gap: 1rem;
    }
}

.gallery-item img {
    width: 60%;
    margin: 0 auto;
    display: block;
    height: auto;
    border-radius: 8px;
    /* transition: transform 0.3s; */
}

/* Highlights */
.bg-light {
    background-color: #f9f9f9;
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.highlight-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary-color);
}

.highlight-card h3 {
    margin-bottom: 1rem;
    color: var(--text-color);
}

/* Benefits */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.benefit-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.benefit-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

/* Table */
.table-responsive {
    overflow-x: auto;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
    background: white;
    box-shadow: var(--shadow);
}

.specs-table th,
.specs-table td {
    padding: 1rem;
    border: 1px solid #ddd;
    text-align: left;
}

.specs-table th {
    background-color: #f4f4f4;
    font-weight: 700;
}

.table-section-header td {
    background-color: #e9e9e9;
    font-weight: 700;
    color: var(--text-color);
}

.specs-table td[colspan] {
    text-align: center;
}

/* Home Page Product Cards Styles */
.product-card {
    background: #ffffff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s ease;
    border: none;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.product-card:hover {
    transform: translateY(-5px);
}

.product-image {
    height: 220px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.product-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.product-card h3 {
    font-size: 1.4rem;
    font-weight: 800;
    /* Bold title */
    color: #212226;
    margin-bottom: 0.5rem;
    margin-top: 0;
}

.product-specs {
    font-size: 1.1rem;
    font-weight: 700;
    color: #212226;
    margin-bottom: 1rem;
    margin-top: 0;
}

.product-separator {
    width: 50px;
    height: 3px;
    background-color: #dc861f;
    /* Orange */
    margin: 0 auto 1.5rem auto;
}

.product-link {
    color: #dc861f;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    transition: color 0.3s;
    margin-top: auto;
    /* Push to bottom if needed */
}

.product-link:hover {
    color: #b96b0f;
    text-decoration: underline;
}

/* Breadcrumbs */
.breadcrumbs {
    padding: 1rem 0;
    color: var(--text-color);
    font-size: 0.9rem;
    background-color: #f4f4f4;
    border-bottom: 1px solid #eee;
}

.breadcrumbs a {
    color: var(--text-color);
    text-decoration: none;
    transition: color var(--transition-speed);
}

.breadcrumbs a:hover {
    color: var(--primary-color);
}

.breadcrumbs span {
    color: var(--primary-color);
    font-weight: 600;
}

/* Back to Top Button */
#backToTop {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--primary-color);
    color: white;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s, transform 0.2s;
    z-index: 1000;
    font-size: 1.2rem;
}

#backToTop.show {
    opacity: 1;
    visibility: visible;
}

#backToTop:hover {
    transform: translateY(-3px);
    background-color: #e69532;
}

/* Form Feedback */
.form-success {
    color: #28a745;
    padding: 10px;
    border-radius: 4px;
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    margin-top: 10px;
    display: none;
}

.form-error {
    color: #dc3545;
    padding: 10px;
    border-radius: 4px;
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    margin-top: 10px;
    display: none;
}

/* Responsive Refinements */

/* Tablet (max-width: 1024px) */
@media (max-width: 1024px) {
    .container {
        padding: 0 20px;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 1.8rem;
    }
}

/* Mobile (max-width: 768px) */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }

    .inverter-hero {
        padding: 4rem 0;
    }

    .section {
        padding: 2rem 0;
    }

    /* Stack Footer Columns */
    .footer-top-grid {
        grid-template-columns: 1fr;
        /* Stack vertically */
        gap: 2rem;
        text-align: center;
        /* Center align for better mobile look */
    }

    .footer-column ul {
        align-items: center;
        /* Center align list items if flex */
        padding: 0;
    }

    .footer-column ul li {
        list-style: none;
    }

    /* Scrollable Breadcrumbs */
    .breadcrumbs .container {
        white-space: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 5px;
        /* Space for scrollbar */
    }

    /* Adjust Back to Top */
    #backToTop {
        bottom: 1rem;
        right: 1rem;
        width: 40px;
        height: 40px;
    }

    /* Adjust Hero Buttons */
    .hero .btn {
        display: block;
        width: 100%;
        margin: 0.5rem 0 0 0 !important;
        /* Reset margins */
        text-align: center;
    }

    /* Stack Inverter Hero Content */
    .hero-content {
        padding: 0 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }

    .btn-outline {
        width: 100%;
        text-align: center;
        box-sizing: border-box;
    }
}

/* --- World Class Polish: Forms & Inner Pages --- */

.inner-hero {
    padding: 4rem 0;
    text-align: center;
    background-color: var(--dark-bg);
    /* Fallback */
    color: var(--white);
    background-size: cover;
    background-position: center;
    position: relative;
    z-index: 1;
}

.inner-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: -1;
}

.inner-hero h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 0.5rem;
    color: white;
}

.contact-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.8rem;
    margin-bottom: 1rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s;
    box-sizing: border-box;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.contact-form button {
    width: 100%;
    cursor: pointer;
    font-size: 1rem;
    padding: 1rem;
}

/* FAQ Accordion Styling */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid #eee;
    margin-bottom: 0.5rem;
}

.faq-question {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: 1.5rem 0;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--dark-bg);
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    transition: transform 0.3s;
}

.faq-question.active::after {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    padding: 0;
    color: var(--light-text);
}

.faq-answer p {
    padding-bottom: 1.5rem;
}

/* Responsive Grid Helper */
.responsive-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

@media (max-width: 768px) {
    .inner-hero {
        padding: 3rem 0;
    }

    .grid,
    .products-grid,
    .responsive-grid {
        grid-template-columns: 1fr;
        /* Force single column on mobile */
    }
}