/**
 * ISOAcoustics Landing Page Styles
 * Add to WordPress via Appearance > Customize > Additional CSS
 * Or enqueue in theme's functions.php
 */

/* ===== CSS Variables ===== */
:root {
    --iso-lime: #cbff54;
    --iso-lime-hover: #b4f625;
    --iso-teal: #063231;
    --iso-teal-light: #0a4a48;
    --iso-text: #495b55;
    --iso-text-heading: #063231;
    --iso-bg-light: #f8faf9;
    --iso-bg-gray: #e0e7e3;
    --iso-radius: 18px;
    --iso-radius-btn: 40px;
}

/* ===== Buttons ===== */
a.iso-btn,
button.iso-btn,
.iso-btn {
    display: inline-block;
    padding: 14px 32px;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-radius: var(--iso-radius-btn);
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, transform 0.2s ease;
    border: 2px solid transparent;
    text-decoration: none !important;
    line-height: 1.5;
}

a.iso-btn-primary,
button.iso-btn-primary,
.iso-btn-primary {
    background-color: var(--iso-lime) !important;
    color: var(--iso-teal) !important;
    border-color: var(--iso-lime) !important;
}

a.iso-btn-primary:hover,
a.iso-btn-primary:focus,
button.iso-btn-primary:hover,
button.iso-btn-primary:focus,
.iso-btn-primary:hover,
.iso-btn-primary:focus {
    background-color: var(--iso-teal) !important;
    color: var(--iso-lime) !important;
    border-color: var(--iso-teal) !important;
    transform: translateY(-2px);
}

a.iso-btn-white,
button.iso-btn-white,
.iso-btn-white {
    background-color: #ffffff !important;
    color: var(--iso-teal) !important;
    border-color: #ffffff !important;
}

a.iso-btn-white:hover,
a.iso-btn-white:focus,
button.iso-btn-white:hover,
button.iso-btn-white:focus,
.iso-btn-white:hover,
.iso-btn-white:focus {
    background-color: var(--iso-lime) !important;
    color: var(--iso-teal) !important;
    border-color: var(--iso-lime) !important;
    transform: translateY(-2px);
}

a.iso-btn-secondary,
button.iso-btn-secondary,
.iso-btn-secondary {
    background-color: transparent !important;
    color: var(--iso-teal) !important;
    border-color: var(--iso-teal) !important;
}

a.iso-btn-secondary:hover,
a.iso-btn-secondary:focus,
button.iso-btn-secondary:hover,
button.iso-btn-secondary:focus,
.iso-btn-secondary:hover,
.iso-btn-secondary:focus {
    background-color: var(--iso-teal) !important;
    color: #ffffff !important;
    border-color: var(--iso-teal) !important;
    transform: translateY(-2px);
}

/* ===== Buttons on Dark Backgrounds (Hero & CTA) ===== */
.iso-hero .iso-btn-primary,
.iso-hero .iso-btn-white,
.iso-cta-box .iso-btn-primary,
.iso-cta-box .iso-btn-white {
    background-color: var(--iso-lime) !important;
    color: var(--iso-teal) !important;
    border-color: var(--iso-lime) !important;
}

.iso-hero .iso-btn-primary:hover,
.iso-hero .iso-btn-primary:focus,
.iso-hero .iso-btn-white:hover,
.iso-hero .iso-btn-white:focus,
.iso-cta-box .iso-btn-primary:hover,
.iso-cta-box .iso-btn-primary:focus,
.iso-cta-box .iso-btn-white:hover,
.iso-cta-box .iso-btn-white:focus {
    background-color: #ffffff !important;
    color: var(--iso-teal) !important;
    border-color: #ffffff !important;
    transform: translateY(-2px);
}

/* ===== Hero Section ===== */
.iso-hero {
    background: linear-gradient(135deg, var(--iso-teal) 0%, var(--iso-teal-light) 100%);
    color: #ffffff;
    padding: 120px 0 100px;
    position: relative;
    overflow: hidden;
}

.iso-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(203, 255, 84, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.iso-hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.iso-hero-badge {
    display: inline-block;
    background-color: var(--iso-lime);
    color: var(--iso-teal);
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 24px;
}

.iso-hero h1 {
    color: #ffffff;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 24px;
}

.iso-hero h1 span {
    color: var(--iso-lime);
}

.iso-hero p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 32px;
    max-width: 500px;
}

.iso-hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.iso-hero-image img {
    border-radius: var(--iso-radius);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
    max-width: 100%;
    height: auto;
}

/* ===== Section Container ===== */
.iso-section {
    padding: 100px 0;
}

.iso-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.iso-section-teal {
    background: linear-gradient(135deg, var(--iso-teal) 0%, var(--iso-teal-light) 100%);
    color: #ffffff;
}

/* ===== Section Header ===== */
.iso-section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.iso-section-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--iso-text-heading);
    margin-bottom: 1rem;
    font-weight: 500;
}

.iso-section-teal .iso-section-header h2 {
    color: #ffffff;
}

.iso-section-header p {
    font-size: 1.125rem;
    color: var(--iso-text);
}

.iso-section-teal .iso-section-header p {
    color: rgba(255, 255, 255, 0.8);
}

/* ===== About Section ===== */
.iso-about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.iso-about-image {
    position: relative;
}

.iso-about-image img {
    border-radius: var(--iso-radius);
    max-width: 100%;
    height: auto;
}

.iso-about-image::after {
    content: '';
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 200px;
    height: 200px;
    background-color: var(--iso-lime);
    border-radius: var(--iso-radius);
    z-index: -1;
}

.iso-about-content h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    color: var(--iso-text-heading);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.iso-about-content p {
    color: var(--iso-text);
    margin-bottom: 1rem;
    line-height: 1.65;
}

/* ===== Stats ===== */
.iso-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.iso-stat-item {
    text-align: center;
    padding: 20px;
    background-color: var(--iso-bg-light);
    border-radius: var(--iso-radius);
}

.iso-stat-number {
    font-family: 'Inter', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--iso-teal);
    display: block;
}

.iso-stat-label {
    font-size: 14px;
    color: var(--iso-text);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===== Technology Cards ===== */
.iso-tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.iso-tech-card {
    background-color: #ffffff;
    padding: 40px 30px;
    border-radius: var(--iso-radius);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.iso-tech-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(6, 50, 49, 0.1);
}

.iso-tech-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--iso-teal), var(--iso-teal-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.iso-tech-icon svg {
    width: 40px;
    height: 40px;
    fill: var(--iso-lime);
}

.iso-tech-card h3 {
    font-size: 1.25rem;
    color: var(--iso-text-heading);
    margin-bottom: 0.75rem;
    font-weight: 500;
}

.iso-tech-card p {
    color: var(--iso-text);
    line-height: 1.65;
}

/* ===== Product Categories Filter ===== */
.iso-categories {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

button.iso-category-btn,
.iso-category-btn {
    padding: 12px 28px;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 500;
    border: 2px solid var(--iso-bg-gray) !important;
    border-radius: var(--iso-radius-btn);
    background-color: transparent !important;
    color: var(--iso-text) !important;
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, transform 0.2s ease;
}

button.iso-category-btn:hover,
button.iso-category-btn:focus,
button.iso-category-btn.active,
.iso-category-btn:hover,
.iso-category-btn:focus,
.iso-category-btn.active {
    background-color: var(--iso-teal) !important;
    border-color: var(--iso-teal) !important;
    color: #ffffff !important;
    transform: translateY(-2px);
}

/* ===== Products Grid ===== */
.iso-products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.iso-product-card {
    background-color: #ffffff;
    border-radius: var(--iso-radius);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(6, 50, 49, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.iso-product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(6, 50, 49, 0.15);
}

.iso-product-image {
    position: relative;
    padding-top: 75%;
    background-color: var(--iso-bg-light);
    overflow: hidden;
}

.iso-product-image img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 80%;
    max-height: 80%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.iso-product-card:hover .iso-product-image img {
    transform: translate(-50%, -50%) scale(1.05);
}

.iso-product-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background-color: var(--iso-lime);
    color: var(--iso-teal);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.iso-product-content {
    padding: 24px;
}

.iso-product-category {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--iso-teal);
    opacity: 0.7;
    margin-bottom: 8px;
}

.iso-product-content h3 {
    font-size: 1.25rem;
    color: var(--iso-text-heading);
    margin-bottom: 12px;
    font-weight: 500;
}

.iso-product-content h3 a {
    color: inherit !important;
    text-decoration: none !important;
    transition: color 0.3s ease;
}

.iso-product-content h3 a:hover,
.iso-product-content h3 a:focus {
    color: var(--iso-lime) !important;
}

.iso-product-specs {
    font-size: 14px;
    color: var(--iso-text);
    margin-bottom: 20px;
}

.iso-product-specs ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.iso-product-specs li {
    padding: 4px 0 4px 20px;
    position: relative;
}

.iso-product-specs li::before {
    content: '\2713';
    position: absolute;
    left: 0;
    color: var(--iso-lime);
    font-weight: bold;
}

a.iso-product-link,
.iso-product-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--iso-teal) !important;
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none !important;
    transition: color 0.3s ease;
}

a.iso-product-link:hover,
a.iso-product-link:focus,
.iso-product-link:hover,
.iso-product-link:focus {
    color: var(--iso-lime) !important;
}

a.iso-product-link svg,
.iso-product-link svg {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
    fill: currentColor;
}

a.iso-product-link:hover svg,
a.iso-product-link:focus svg,
.iso-product-link:hover svg,
.iso-product-link:focus svg {
    transform: translateX(4px);
}

/* ===== Awards Section ===== */
.iso-awards-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
    align-items: center;
}

.iso-award-item {
    text-align: center;
    padding: 30px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--iso-radius);
    backdrop-filter: blur(10px);
}

.iso-award-year {
    font-size: 2rem;
    font-weight: 700;
    color: var(--iso-lime);
    display: block;
    margin-bottom: 8px;
}

.iso-award-name {
    font-size: 14px;
    opacity: 0.9;
}

/* ===== Featured Section ===== */
.iso-featured-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.iso-featured-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background-color: #ffffff;
    border-radius: var(--iso-radius);
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(6, 50, 49, 0.08);
}

.iso-featured-image {
    background-color: var(--iso-bg-light);
    padding: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.iso-featured-image img {
    max-width: 100%;
    height: auto;
}

.iso-featured-content {
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.iso-featured-content h3 {
    font-size: 1.5rem;
    color: var(--iso-text-heading);
    margin-bottom: 16px;
    font-weight: 500;
}

.iso-featured-content p {
    color: var(--iso-text);
    margin-bottom: 24px;
    line-height: 1.65;
}

.iso-featured-content .iso-btn {
    white-space: nowrap;
    width: fit-content;
}

/* ===== FAQ Section ===== */
.iso-faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.iso-faq-item {
    background-color: #ffffff;
    border-radius: var(--iso-radius);
    overflow: hidden;
}

.iso-faq-question {
    padding: 24px 30px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    color: var(--iso-text-heading);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease;
}

.iso-faq-question:hover {
    background-color: var(--iso-bg-light);
}

.iso-faq-question::after {
    content: '+';
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--iso-teal);
    transition: transform 0.3s ease;
}

.iso-faq-item.active .iso-faq-question::after {
    transform: rotate(45deg);
}

.iso-faq-answer {
    padding: 0 30px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.iso-faq-answer p {
    color: var(--iso-text);
    line-height: 1.65;
}

.iso-faq-item.active .iso-faq-answer {
    padding: 0 30px 24px;
    max-height: 300px;
}

/* ===== CTA Section ===== */
.iso-cta-box {
    background: linear-gradient(135deg, var(--iso-teal) 0%, var(--iso-teal-light) 100%);
    padding: 80px 60px;
    border-radius: var(--iso-radius);
    color: #ffffff;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.iso-cta-box::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(203, 255, 84, 0.2) 0%, transparent 70%);
    border-radius: 50%;
}

.iso-cta-box h2 {
    color: #ffffff;
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: 20px;
    position: relative;
    z-index: 2;
    font-weight: 500;
}

.iso-cta-box p {
    font-size: 1.125rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 32px;
    position: relative;
    z-index: 2;
}

.iso-cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
}

/* ===== Responsive Styles ===== */
@media (max-width: 1024px) {
    .iso-hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .iso-hero-text {
        order: 1;
    }

    .iso-hero-image {
        order: 0;
        max-width: 500px;
        margin: 0 auto;
    }

    .iso-hero p {
        margin: 0 auto 32px;
    }

    .iso-hero-buttons {
        justify-content: center;
    }

    .iso-about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .iso-tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .iso-products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .iso-awards-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .iso-featured-grid {
        grid-template-columns: 1fr;
    }

    .iso-featured-card {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .iso-hero {
        padding: 80px 0 60px;
    }

    .iso-section {
        padding: 60px 0;
    }

    .iso-tech-grid {
        grid-template-columns: 1fr;
    }

    .iso-products-grid {
        grid-template-columns: 1fr;
    }

    .iso-awards-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .iso-stats {
        grid-template-columns: 1fr;
    }

    .iso-faq-grid {
        grid-template-columns: 1fr;
    }

    .iso-cta-box {
        padding: 60px 30px;
    }
}

@media (max-width: 480px) {
    .iso-hero-buttons,
    .iso-cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .iso-btn {
        width: 100%;
        text-align: center;
    }

    .iso-categories {
        flex-direction: column;
        align-items: center;
    }

    .iso-category-btn {
        width: 100%;
    }

    .iso-awards-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== Pros & Cons Section ===== */
.had-pros-cons-grid {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 30px;
    width: 100%;
}

.had-pros-card,
.had-cons-card {
    border-radius: var(--iso-radius);
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(6, 50, 49, 0.12);
    display: flex !important;
    flex-direction: column !important;
    min-width: 0;
}

.had-card-header {
    padding: 24px 28px;
    display: flex !important;
    align-items: center !important;
    flex-wrap: nowrap;
    gap: 14px;
}

.had-pros-card .had-card-header {
    background: linear-gradient(135deg, var(--iso-teal) 0%, var(--iso-teal-light) 100%);
}

.had-cons-card .had-card-header {
    background: linear-gradient(135deg, #1c4a46 0%, #2e6b65 100%);
}

.had-pros-card .had-card-header h3,
.had-cons-card .had-card-header h3 {
    color: #ffffff !important;
    font-size: 1.2rem !important;
    font-weight: 600 !important;
    margin: 0 !important;
    padding: 0 !important;
    letter-spacing: 0.02em;
    flex: 1;
    line-height: 1.3 !important;
}

.had-card-header-icon {
    width: 42px !important;
    height: 42px !important;
    min-width: 42px;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    flex-shrink: 0 !important;
    padding: 0 !important;
    margin: 0 !important;
}

.had-pros-card .had-card-header-icon {
    background-color: var(--iso-lime) !important;
}

.had-cons-card .had-card-header-icon {
    background-color: rgba(255, 255, 255, 0.15) !important;
    border: 2px solid rgba(255, 255, 255, 0.25);
}

.had-card-header-icon svg {
    width: 20px !important;
    height: 20px !important;
    display: block !important;
    flex-shrink: 0;
}

.had-pros-card .had-card-header-icon svg {
    fill: var(--iso-teal) !important;
}

.had-cons-card .had-card-header-icon svg {
    fill: #ffffff !important;
}

.had-card-header-count {
    margin-left: auto;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.55);
    font-weight: 500;
    letter-spacing: 0.05em;
    white-space: nowrap;
    flex-shrink: 0;
}

.had-card-body {
    background-color: #ffffff !important;
    flex: 1;
    padding: 0 !important;
    margin: 0 !important;
}

.had-pros-item,
.had-cons-item {
    display: flex !important;
    align-items: flex-start !important;
    gap: 14px;
    padding: 13px 24px !important;
    margin: 0 !important;
    border-top: none !important;
    border-left: none !important;
    border-right: none !important;
    border-bottom: 1px solid var(--iso-bg-gray) !important;
    transition: background-color 0.2s ease;
    list-style: none !important;
}

.had-pros-item:last-child,
.had-cons-item:last-child {
    border-bottom: none !important;
}

.had-pros-item:hover,
.had-cons-item:hover {
    background-color: var(--iso-bg-light) !important;
}

.had-item-icon {
    width: 22px !important;
    height: 22px !important;
    min-width: 22px !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    flex-shrink: 0 !important;
    margin-top: 1px;
    padding: 0 !important;
}

.had-pros-item .had-item-icon {
    background-color: var(--iso-lime) !important;
}

.had-cons-item .had-item-icon {
    background-color: var(--iso-bg-gray) !important;
}

.had-item-icon svg {
    width: 12px !important;
    height: 12px !important;
    display: block !important;
    flex-shrink: 0;
    margin: 0 !important;
    padding: 0 !important;
}

.had-pros-item .had-item-icon svg {
    fill: var(--iso-teal) !important;
}

.had-cons-item .had-item-icon svg {
    fill: var(--iso-text) !important;
}

.had-item-text {
    font-size: 0.9rem !important;
    color: var(--iso-text) !important;
    line-height: 1.55 !important;
    flex: 1 !important;
    min-width: 0;
    margin: 0 !important;
    padding: 0 !important;
}

.had-item-label {
    font-weight: 700 !important;
    color: var(--iso-text-heading) !important;
}

@media (max-width: 768px) {
    .had-pros-cons-grid {
        grid-template-columns: 1fr !important;
    }
}