/* ===================================
   KEYNOTES SECTION - APPLE BRAND STYLE
   =================================== */

/* Keynotes Container */
.keynotes-container {
    background: #000;
    padding: 120px 40px;
    position: relative;
}

/* Section Header */
.section-header {
    text-align: center;
    max-width: 1000px;
    margin: 0 auto 80px;
}

.section-subtitle {
    font-size: 18px;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #c9a961;
    margin-bottom: 20px;
}

.section-title {
    font-size: clamp(52px, 8vw, 90px);
    font-weight: 700;
    line-height: 1.05;
    color: #ffffff;
    margin-bottom: 30px;
    letter-spacing: -0.03em;
}

.section-description {
    font-size: clamp(22px, 3.5vw, 32px);
    line-height: 1.6;
    color: #ffffff;
    max-width: 900px;
    margin: 0 auto;
}

/* Keynotes Grid */
.keynotes-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

/* Keynote Cards - WHITE BACKGROUND */
.keynote-card {
    background: #f5f5f7;
    border-radius: 20px;
    padding: 60px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.keynote-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: #2997ff;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.keynote-card:hover {
    transform: translateY(-5px);
    background: #fff;
}

.keynote-card:hover::before {
    transform: scaleX(1);
}

/* Card Labels - BLACK TEXT ON WHITE */
.keynote-label {
    display: inline-block;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #2997ff;
    margin-bottom: 20px;
}

/* Card Titles - BLACK TEXT */
.keynote-title {
    font-size: clamp(36px, 5vw, 48px);
    font-weight: 700;
    line-height: 1.15;
    color: #1d1d1f;
    margin-bottom: 15px;
    letter-spacing: -0.02em;
}

.keynote-subtitle {
    font-size: clamp(20px, 2.5vw, 26px);
    line-height: 1.5;
    color: #1d1d1f;
    margin-bottom: 40px;
    font-style: italic;
}

/* Perfect For Section - BLACK TEXT */
.keynote-for {
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #c9a961;
    margin-top: 30px;
    margin-bottom: 10px;
}

.keynote-audience {
    font-size: 19px;
    line-height: 1.6;
    color: #1d1d1f;
    margin-bottom: 30px;
}

/* Benefits Section - BLACK TEXT */
.keynote-benefits {
    margin-top: 30px;
}

.keynote-benefits h4 {
    font-size: 20px;
    font-weight: 600;
    color: #1d1d1f;
    margin-bottom: 15px;
}

.keynote-benefits ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.keynote-benefits li {
    font-size: 19px;
    line-height: 1.7;
    color: #1d1d1f;
    padding-left: 25px;
    margin-bottom: 12px;
    position: relative;
}

.keynote-benefits li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #c9a961;
    font-size: 18px;
}

/* What Makes This Different - BLACK TEXT */
.keynote-difference {
    margin-top: 30px;
    padding: 20px;
    background: rgba(201, 169, 97, 0.1);
    border-left: 3px solid #c9a961;
    border-radius: 8px;
    font-size: 18px;
    line-height: 1.6;
    color: #1d1d1f;
}

.keynote-difference strong {
    display: block;
    font-size: 18px;
    font-weight: 600;
    color: #1d1d1f;
    margin-bottom: 8px;
}

/* Presenter Credit - GRAY TEXT */
.presenter-credit {
    font-size: 16px;
    color: #6e6e73;
    margin-top: 20px;
    font-style: italic;
}

/* ===================================
   TESTIMONIALS SECTION
   =================================== */

.testimonials-section {
    margin-top: 100px;
    padding: 80px 0 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.testimonials-header h3 {
    font-size: clamp(36px, 6vw, 56px);
    font-weight: 700;
    color: #f5f5f7;
    margin-bottom: 15px;
    letter-spacing: -0.02em;
}

.testimonials-header p {
    font-size: 18px;
    color: #c9a961;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* Carousel Container */
.carousel-container {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.carousel-track {
    position: relative;
    min-height: 400px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

/* Testimonial Slides - SIMPLIFIED */
.testimonial-slide {
    display: none;
    width: 100%;
}

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

.testimonial-content {
    text-align: center;
    padding: 40px 20px;
}

/* Testimonial Quote */
.testimonial-quote {
    font-size: clamp(24px, 3.5vw, 34px);
    line-height: 1.7;
    color: #f5f5f7;
    margin-bottom: 40px;
    font-style: italic;
    font-weight: 300;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

/* Author Info */
.testimonial-author {
    margin-top: 30px;
}

.author-name {
    font-size: 22px;
    font-weight: 600;
    color: #f5f5f7;
    margin-bottom: 8px;
}

.author-title {
    font-size: 19px;
    line-height: 1.6;
    color: #86868b;
}

/* Carousel Controls */
.carousel-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    margin-top: 50px;
}

.carousel-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #f5f5f7;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

.carousel-btn:active {
    transform: scale(0.95);
}

/* Carousel Dots */
.carousel-dots {
    display: flex;
    gap: 12px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: #c9a961;
    transform: scale(1.2);
}

.dot:hover {
    background: rgba(255, 255, 255, 0.5);
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

@media (max-width: 968px) {
    .keynotes-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .keynote-card {
        padding: 40px;
    }

    .testimonials-section {
        margin-top: 60px;
    }
    
    .carousel-track {
        min-height: 500px;
    }
}

@media (max-width: 768px) {
    .keynotes-container {
        padding: 80px 20px;
    }

    .section-header {
        margin-bottom: 50px;
    }

    .keynote-card {
        padding: 30px;
    }

    .testimonial-content {
        padding: 20px;
    }

    .carousel-btn {
        width: 44px;
        height: 44px;
        font-size: 20px;
    }

    .carousel-controls {
        gap: 20px;
        margin-top: 40px;
    }
    
    .carousel-track {
        min-height: 550px;
    }
}

@media (max-width: 640px) {
    .section-subtitle {
        font-size: 16px;
    }

    .keynote-label {
        font-size: 15px;
    }

    .keynote-for {
        font-size: 15px;
    }

    .testimonial-quote {
        font-size: 22px;
    }
    
    .carousel-track {
        min-height: 600px;
    }
}