/**
 * Homepage Sections
 *
 * About, Conferences, Invitation Letters, Why Choose,
 * Membership, Partners, Testimonials, CTA, FAQ Accordion,
 * and Testimonials Carousel enhanced styles.
 *
 * @package IBCES
 */

/* ========================================
   About Section
======================================== */
.about-section {
    background-color: var(--color-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: stretch;
}

.about-image {
    position: relative;
    min-height: 500px;
}

.about-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100px;
    height: 100px;
    background-color: var(--color-gold);
    opacity: 0.3;
    border-radius: var(--radius-lg);
    z-index: -1;
}

.about-image::after {
    content: '';
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 150px;
    height: 150px;
    background-color: var(--color-primary);
    opacity: 0.1;
    border-radius: var(--radius-lg);
    z-index: -1;
}

.about-content h2 {
    margin-bottom: var(--spacing-md);
}

.about-content .lead {
    font-size: 1.125rem;
    color: var(--color-primary);
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.about-feature {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.about-feature-icon {
    width: 40px;
    height: 40px;
    background-color: var(--color-gray);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    flex-shrink: 0;
    transition: all var(--transition-normal);
}

.about-feature:hover .about-feature-icon {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: scale(1.1);
}

.about-feature h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
    color: var(--color-black);
}

.about-feature p {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin: 0;
    line-height: 1.5;
}

/* ========================================
   Conferences Section
======================================== */
.conferences-section {
    background-color: var(--color-gray);
}

.conferences-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.conference-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.conference-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.conference-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.conference-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.conference-card:hover .conference-image img {
    transform: scale(1.08);
}

.conference-date {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-family: var(--font-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    box-shadow: var(--shadow-md);
}

.conference-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.conference-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 0.8125rem;
    color: var(--color-text-light);
}

.conference-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: var(--color-gray);
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-sm);
}

.conference-meta span i {
    color: var(--color-primary);
    font-size: 0.75rem;
}

.conference-content h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
    min-height: 3.15rem;
}

.conference-content h3 a {
    color: var(--color-black);
    transition: color var(--transition-fast);
}

.conference-content h3 a:hover {
    color: var(--color-primary);
}

.conference-excerpt {
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex-grow: 1;
    line-height: 1.6;
}

.conference-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: auto;
}

.conference-buttons .btn {
    flex: 1;
    text-align: center;
    padding: 0.625rem 1rem;
    font-size: 0.8125rem;
}

/* ========================================
   Conference Card — Clean Professional
======================================== */

.conf-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.conf-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.1), 0 6px 12px rgba(0, 0, 0, 0.06);
}

.conf-card__link {
    display: flex;
    flex-direction: column;
    height: 100%;
    text-decoration: none;
    color: inherit;
}

/* Image wrapper — enforces 16:9 */
.conf-card__image-wrap {
    position: relative;
    overflow: hidden;
}

.conf-card__image {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.conf-card:hover .conf-card__image {
    transform: scale(1.05);
}

/* Date badge overlay — top-left */
.conf-card__date-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--color-primary);
    color: #fff;
    padding: 8px 13px 7px;
    border-radius: 8px;
    line-height: 1;
    z-index: 2;
    min-width: 50px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.conf-card__date-day {
    font-size: 1.45rem;
    font-weight: 700;
    font-family: var(--font-secondary);
}

.conf-card__date-month {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    margin-top: 2px;
    opacity: 0.92;
}

/* Card body — content below image */
.conf-card__body {
    padding: 18px 20px 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.conf-card__meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 10px;
    font-size: 0.8rem;
    color: var(--color-text-light);
}

.conf-card__location {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-weight: 500;
}

.conf-card__location i {
    color: var(--color-primary);
    font-size: 0.72rem;
}

.conf-card__year {
    font-weight: 600;
    color: var(--color-primary);
    font-size: 0.75rem;
    background: rgba(var(--color-primary-rgb, 26, 54, 93), 0.08);
    padding: 3px 10px;
    border-radius: 20px;
    white-space: nowrap;
}

.conf-card__title {
    font-size: 1.02rem;
    font-weight: 600;
    line-height: 1.45;
    margin: 0 0 14px;
    color: var(--color-black);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.96rem;
    flex-grow: 1;
}

.conf-card:hover .conf-card__title {
    color: var(--color-primary);
}

.conf-card__cta {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: auto;
    transition: gap 0.3s ease;
}

.conf-card:hover .conf-card__cta {
    gap: 10px;
}

.conf-card__cta i {
    font-size: 0.7rem;
    transition: transform 0.3s ease;
}

.conf-card:hover .conf-card__cta i {
    transform: translateX(2px);
}

/* ========================================
   Invitation Letters Section
======================================== */
.invitation-letters-section {
    background-color: var(--color-gray);
}

/* Hero Intro Banner */
.invitation-hero {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--spacing-2xl);
    align-items: center;
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-2xl);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--radius-xl, 16px);
    color: var(--color-white);
    overflow: hidden;
    position: relative;
}

.invitation-hero::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background: var(--color-gold);
    opacity: 0.08;
    border-radius: 50%;
}

.invitation-hero::after {
    content: '';
    position: absolute;
    bottom: -30px;
    left: -30px;
    width: 150px;
    height: 150px;
    background: var(--color-gold);
    opacity: 0.06;
    border-radius: 50%;
}

.invitation-hero-content {
    position: relative;
    z-index: 1;
}

.invitation-hero-badge {
    width: 60px;
    height: 60px;
    background: var(--color-gold);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.invitation-hero-badge i {
    font-size: 1.5rem;
    color: var(--color-primary-dark);
}

.invitation-hero-content h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.invitation-hero-content > p {
    font-size: 1rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--spacing-lg);
}

.invitation-trust-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 1.1rem 0.6rem 0.6rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.trust-badge:hover {
    background: rgba(255, 255, 255, 0.18);
    transform: translateY(-2px);
}

.trust-badge-icon {
    width: 36px;
    height: 36px;
    background: var(--color-gold);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.trust-badge-icon i {
    font-size: 0.875rem;
    color: var(--color-primary-dark);
}

.trust-badge-label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-white);
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.invitation-hero-image {
    position: relative;
    z-index: 1;
}

.invitation-hero-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    object-fit: cover;
    aspect-ratio: 4 / 3;
}

/* Numbered Feature Cards */
.invitation-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.invitation-feature-card {
    position: relative;
    padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-lg);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border-top: 3px solid var(--color-gold);
    transition: all var(--transition-normal);
    overflow: hidden;
}

.invitation-feature-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
}

.feature-step {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    opacity: 0.08;
    line-height: 1;
}

.invitation-feature-card h3 {
    font-size: 1.125rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.invitation-feature-card h3 i {
    font-size: 1.125rem;
    color: var(--color-gold);
}

.invitation-feature-card > p {
    color: var(--color-text-light);
    line-height: 1.7;
    margin: 0;
}

.invitation-checklist {
    list-style: none;
    padding: 0;
    margin: 0;
}

.invitation-checklist li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: 0.45rem 0;
    color: var(--color-text);
    font-size: 0.9375rem;
    line-height: 1.5;
}

.invitation-checklist li i {
    color: var(--color-primary);
    font-size: 0.75rem;
    margin-top: 0.3rem;
    flex-shrink: 0;
}

/* CTA Area */
.invitation-cta-area {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: var(--spacing-2xl);
    align-items: center;
    padding: var(--spacing-xl);
    background: var(--color-white);
    border-radius: var(--radius-xl, 16px);
    box-shadow: var(--shadow-md);
}

.invitation-cta-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    object-fit: cover;
    aspect-ratio: 4 / 3;
}

.invitation-notice {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.04) 0%, rgba(212, 175, 55, 0.04) 100%);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.invitation-notice > i {
    color: var(--color-primary);
    font-size: 1.25rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.invitation-notice strong {
    display: block;
    font-size: 0.9375rem;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.invitation-notice p {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin: 0;
    line-height: 1.6;
}

.invitation-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.invitation-buttons .btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* ========================================
   Why Choose Section
======================================== */
.why-choose-section {
    background-color: var(--color-white);
}

.why-choose-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: stretch;
}

.why-choose-content h2 {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.why-choose-intro {
    font-size: 1.0625rem;
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.why-choose-highlights h3 {
    font-size: 1.25rem;
    color: var(--color-black);
    margin-bottom: var(--spacing-md);
}

.highlights-list {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-lg) 0;
}

.highlights-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-gray);
}

.highlights-list li:last-child {
    border-bottom: none;
}

.highlights-list li i {
    color: var(--color-primary);
    font-size: 1.25rem;
    width: 24px;
    flex-shrink: 0;
    margin-top: 2px;
}

.highlights-list li span {
    color: var(--color-text);
    font-size: 1rem;
    line-height: 1.6;
}

.why-choose-cta .btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.why-choose-image {
    position: relative;
    height: 100%;
    min-height: 400px;
}

.why-choose-image img {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    object-fit: cover;
}

.why-choose-image::before {
    content: '';
    position: absolute;
    top: -15px;
    right: -15px;
    width: 100px;
    height: 100px;
    background-color: var(--color-gold);
    opacity: 0.2;
    border-radius: var(--radius-lg);
    z-index: -1;
}

.why-choose-image::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: -15px;
    width: 120px;
    height: 120px;
    background-color: var(--color-primary);
    opacity: 0.1;
    border-radius: var(--radius-lg);
    z-index: -1;
}

/* ========================================
   Membership Section
======================================== */
.membership-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
}

.membership-section .section-header h2 {
    color: var(--color-white);
}

.membership-section .section-header h2::after {
    background: var(--color-gold);
}

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

.membership-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.membership-benefit {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.membership-benefit:hover {
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.membership-icon {
    width: 70px;
    height: 70px;
    background-color: var(--color-gold);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: 1.75rem;
    color: var(--color-primary);
}

.membership-benefit h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
}

.membership-benefit p {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

.membership-cta {
    text-align: center;
}

/* ========================================
   Partners Section
======================================== */
.partners-section {
    background-color: var(--color-gray);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-lg);
    align-items: center;
}

.partner-logo {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.partner-logo:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.partner-logo img {
    max-height: 60px;
    width: auto;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all var(--transition-normal);
}

.partner-logo:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

/* ========================================
   Testimonials Section
======================================== */
.testimonials-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.testimonials-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.testimonials-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.testimonials-section .section-header {
    margin-bottom: var(--spacing-xl);
}

.testimonials-section .section-header h2 {
    color: var(--color-white);
}

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

.testimonials-slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.testimonials-track {
    position: relative;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl) var(--spacing-xl);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.testimonial-item {
    display: none;
    text-align: center;
    animation: testimonialFade 0.6s ease-in-out;
}

.testimonial-item.active {
    display: block;
}

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

.testimonial-quote {
    margin-bottom: var(--spacing-md);
}

.testimonial-quote i {
    font-size: 2.5rem;
    color: var(--color-gold);
}

.testimonial-content {
    font-size: 1.125rem;
    font-style: italic;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: var(--spacing-lg);
    line-height: 1.9;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
}

.testimonial-content p {
    margin: 0;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    overflow: hidden;
    border: 2px solid var(--color-gold);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.testimonial-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.testimonial-info {
    text-align: left;
}

.testimonial-info h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.125rem;
    color: var(--color-white);
}

.testimonial-info p {
    font-size: 0.8125rem;
    color: var(--color-gold);
    margin: 0;
    font-weight: 500;
}

/* Testimonial Navigation */
.testimonial-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-white);
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.testimonial-nav:hover {
    background-color: var(--color-gold);
    border-color: var(--color-gold);
    color: var(--color-primary);
    transform: translateY(-50%) scale(1.1);
}

.testimonial-prev {
    left: -70px;
}

.testimonial-next {
    right: -70px;
}

.testimonial-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: var(--spacing-lg);
}

.testimonial-dot {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    background-color: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.testimonial-dot.active {
    background-color: var(--color-gold);
    width: 28px;
    border-radius: 5px;
}

.testimonial-dot:hover {
    background-color: rgba(255, 255, 255, 0.6);
}

/* ----------------------------------------
   Testimonials Carousel Enhanced
---------------------------------------- */
.testimonials-slider {
    position: relative;
    overflow: hidden;
    padding: 2rem 0;
}

.testimonial-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    visibility: hidden;
    transform: translateX(100%);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

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

.testimonial-slide.prev {
    transform: translateX(-100%);
}

.carousel-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 1.5rem;
}

.carousel-prev,
.carousel-next {
    background: var(--color-white);
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.carousel-prev:hover,
.carousel-next:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

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

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-gray-300);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.carousel-dot.active {
    background: var(--color-primary);
    transform: scale(1.2);
}

/* ========================================
   CTA Section
======================================== */
.cta-section {
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
    padding: var(--spacing-2xl) 0;
}

.cta-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
}

.cta-text {
    flex: 1;
    min-width: 0;
}

.cta-text h2 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.cta-text p {
    color: var(--color-black);
    font-size: 1.125rem;
    margin: 0;
}

.cta-buttons {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

/* White outline button for gold CTA background */
.cta-section .btn-outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.cta-section .btn-outline:hover {
    background: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-white);
}

/* ========================================
   FAQ Accordion Enhanced
======================================== */
.faq-item {
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    margin-bottom: 0.75rem;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    background: var(--color-white);
    border: none;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--color-gray-50);
}

.faq-question i {
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question {
    background: var(--color-primary);
    color: var(--color-white);
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: var(--color-gray-50);
}

.faq-answer-content {
    padding: 1rem 1.25rem;
    line-height: 1.7;
    color: var(--color-gray-600);
}

/* ========================================
   Responsive — Tablet
======================================== */
@media (max-width: 1024px) {
    /* About */
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .about-image {
        order: -1;
        min-height: auto;
        max-height: 400px;
    }

    .about-image img {
        max-height: 400px;
    }

    /* Conferences */
    .conferences-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Invitation Letters */
    .invitation-hero {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .invitation-hero-image {
        max-width: 400px;
        margin: 0 auto;
    }

    .invitation-features {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .invitation-cta-area {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .invitation-cta-image {
        max-width: 400px;
        margin: 0 auto;
    }

    /* Why Choose */
    .why-choose-grid {
        gap: var(--spacing-xl);
    }

    .why-choose-content h2 {
        font-size: 1.75rem;
    }

    /* Testimonials */
    .testimonial-prev {
        left: -55px;
    }

    .testimonial-next {
        right: -55px;
    }

    /* Membership */
    .membership-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Partners */
    .partners-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    /* CTA */
    .cta-content {
        flex-direction: column;
        text-align: center;
    }

    .cta-buttons {
        justify-content: center;
    }
}

/* ========================================
   Responsive — Mobile
======================================== */
@media (max-width: 768px) {
    /* Grids */
    .conferences-grid,
    .membership-grid,
    .partners-grid {
        grid-template-columns: 1fr;
    }

    /* Conference Cards */
    .conf-card__title {
        min-height: auto;
        font-size: 0.95rem;
    }

    .conf-card__date-badge {
        top: 10px;
        left: 10px;
        padding: 7px 10px 6px;
        min-width: 46px;
    }

    .conf-card__date-day {
        font-size: 1.25rem;
    }

    .conf-card__body {
        padding: 14px 16px 16px;
    }

    /* Invitation Letters */
    .invitation-hero {
        grid-template-columns: 1fr;
        padding: var(--spacing-lg);
    }

    .invitation-hero-content h3 {
        font-size: 1.375rem;
    }

    .invitation-hero-image {
        max-width: 100%;
    }

    .invitation-features {
        grid-template-columns: 1fr;
    }

    .invitation-cta-area {
        grid-template-columns: 1fr;
        padding: var(--spacing-lg);
    }

    .invitation-cta-image {
        max-width: 100%;
    }

    .invitation-buttons {
        flex-direction: column;
    }

    .invitation-buttons .btn {
        width: 100%;
        justify-content: center;
    }

    .invitation-notice {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    /* Why Choose */
    .why-choose-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .why-choose-image {
        order: -1;
        height: auto;
        min-height: 300px;
        max-height: 400px;
    }

    .why-choose-content h2 {
        font-size: 1.5rem;
    }

    .why-choose-cta .btn-lg {
        width: 100%;
        justify-content: center;
    }

    /* Testimonials */
    .testimonials-slider {
        padding: 0;
    }

    .testimonials-track {
        padding: var(--spacing-lg);
    }

    .testimonial-nav {
        display: none;
    }

    .testimonial-content {
        font-size: 1rem;
        line-height: 1.8;
    }

    .testimonial-quote i {
        font-size: 2rem;
    }

    .testimonial-author {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .testimonial-info {
        text-align: center;
    }

    .testimonial-dot.active {
        width: 24px;
    }
}

/* ========================================
   Responsive — Small Mobile
======================================== */
@media (max-width: 480px) {
    .about-features {
        grid-template-columns: 1fr;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .newsletter-form button {
        width: 100%;
    }
}