/* =========================================
   HOMEPAGE CSS - FULL FILE
   ========================================= */

/* ========== CSS Variables & Reset ========== */
:root {
    --color-primary: #cdae77;
    --color-primary-dark: #b89a5e;
    --color-secondary: #173552;
    --color-dark: #171c3e;
    --color-dark-soft: #0f2540;
    --color-gray: #6b7280;
    --color-light-gray: #e5e7eb;
    --color-light: #f9fafb;
    --color-white: #ffffff;
    --color-black: #111827;
    
    --font-family: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
    --font-size-base: 1rem;
    --line-height-base: 1.6;
    --container-max-width: 1280px;
    --container-padding: 1.5rem;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --z-header: 100;
    --z-back-to-top: 90;
    --z-mobile-menu: 101;
}

/* =========================================
   SECTION ONE - CONTENT ONE (Split Layout)
   ========================================= */
#section-one {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
    padding: 0;
    background-color: #f0f2f5;
    font-family: var(--font-family);
}
.section-container-one {
    max-width: 1280px;
    margin: 0 auto;
    padding: 5% 6%;
}
.two-col-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    align-items: start;
}

.left-content,
.carousel-section {
    will-change: transform, opacity;
    backface-visibility: hidden;
}

/* Left Column */
.left-content {
    position: sticky;
    top: 2rem;
}
.top-pagination {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: #2c2c38;
}
.pagination-number { font-weight: 700; }
.pagination-line { flex: 1; height: 1px; background-color: #bbb; }
.pagination-next { color: #888; letter-spacing: 1px; }
.intro-text {
    font-size: 1rem;
    color: #3a3a4a;
    line-height: 1.5;
    margin-bottom: 1.5rem;
    max-width: 90%;
}
.section-tag {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #a0a0b0;
    margin-bottom: 1rem;
}
.main-headline {
    font-size: 3.8rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 2rem;
    color: #0f0f15;
}
.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    background-color: #0f0f15;
    color: white;
    font-weight: 600;
    font-size: 1rem;
    padding: 0.8rem 1.8rem 0.8rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    transition: transform 0.2s, background 0.2s;
    border: none;
    cursor: pointer;
}
.cta-button:hover { background-color: #2c2c3a; transform: translateY(-2px); }
.icon-circle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: white;
    width: 28px;
    height: 28px;
    border-radius: 50%;
}
.lightning-svg { width: 16px; height: 16px; display: block; }

/* Right Column (Carousel) */
.carousel-section { overflow: hidden; position: relative; }
.carousel-wrapper { overflow: hidden; }
.carousel-track {
    display: flex;
    gap: 20px;
    transition: transform 0.5s cubic-bezier(0.2, 0.9, 0.4, 1.1);
    will-change: transform;
}
.card {
    flex: 0 0 100%;
    height: 500px;
    border-radius: 28px;
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 1.8rem;
    color: white;
    overflow: hidden;
}
.card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    border-radius: inherit;
    z-index: 0;
}
.card > * { position: relative; z-index: 2; }
.watermark-number {
    position: absolute;
    bottom: 0.25rem;
    right: 0.75rem;
    font-size: 7rem;
    font-weight: 800;
    opacity: 0.2;
    line-height: 1;
    z-index: 1;
    pointer-events: none;
    color: white;
}
.card-top { display: flex; justify-content: space-between; align-items: flex-start; }
.top-text { font-size: 1.2rem; font-weight: 600; padding-right: 10px; }
.italic-word { font-style: italic; font-weight: 700; margin-right: 0.2rem; }
.sub-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    background: rgba(255,255,255,0.2);
    padding: 0.2rem 0.7rem;
    border-radius: 30px;
    backdrop-filter: blur(4px);
}
.card-bottom { margin-bottom: 0.5rem; }
.bottom-title { font-size: 1.8rem; font-weight: 700; line-height: 1.2; margin-bottom: 0.5rem; }
.bottom-description { font-size: 0.85rem; opacity: 0.85; margin-bottom: 1.2rem; }
.learn-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    background-color: rgba(30,30,40,0.85);
    backdrop-filter: blur(5px);
    padding: 0.5rem 1.2rem;
    border-radius: 40px;
    font-size: 0.8rem;
    font-weight: 500;
    color: white;
    text-decoration: none;
    transition: background 0.2s;
    border: 0.5px solid rgba(255,255,255,0.2);
}
.learn-more-btn:hover { background-color: #1f1f2e; }
.btn-icon-small {
    width: 18px; height: 18px;
    background: white;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.carousel-nav { display: flex; justify-content: flex-end; gap: 1rem; margin-top: 2rem; }
.nav-arrow {
    width: 48px; height: 48px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    background: white;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}
.nav-arrow.right { background: #0f0f15; }
.nav-arrow svg { width: 24px; height: 24px; }
.nav-arrow.left svg { stroke: #0f0f15; stroke-width: 2; fill: none; }
.nav-arrow.right svg { stroke: white; stroke-width: 2; fill: none; }
.nav-arrow.disabled { opacity: 0.4; cursor: not-allowed; pointer-events: none; }

@media (max-width: 1024px) {
    .two-col-grid { gap: 2rem; }
    .main-headline { font-size: 2.8rem; }
    .card { flex: 0 0 100%; height: 440px; }
}
@media (max-width: 768px) {
    .two-col-grid { grid-template-columns: 1fr; gap: 3rem; }
    .left-content { position: static; }
    .main-headline { font-size: 2.4rem; }
    .card { flex: 0 0 100%; height: 480px; }
    .carousel-track { gap: 0; }
}
@media (max-width: 480px) {
    .section-container-one { padding: 8% 5%; }
}

/* =========================================
   SECTION TWO - CONTENT TWO (Video & Audio)
   ========================================= */
#section-two {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
    padding: 0;
    background-color: #f0f2f5;
    font-family: 'Inter', 'Helvetica Neue', sans-serif;
}
.section-container-two {
    max-width: 1280px;
    width: 100%;
    background: white;
    border-radius: 40px;
    padding: 80px 5%;
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
    margin: 2rem;
}
.section-container-two .header-group { text-align: center; margin-bottom: 70px; }
.section-container-two .section-label { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 2px; color: #aaa; margin-bottom: 1rem; }
.section-container-two .main-headline { font-size: 42px; line-height: 1.2; font-weight: 500; max-width: 900px; margin: 0 auto; }
.section-container-two .highlight-text { color: #111; font-weight: 700; }
.section-container-two .muted-text { color: #999; font-weight: 400; }
.section-container-two .media-grid { display: grid; grid-template-columns: 1.8fr 1fr; gap: 24px; align-items: stretch; }
.section-container-two .video-card {
    position: relative;
    background-size: cover;
    background-position: center;
    border-radius: 24px;
    min-height: 500px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}
.section-container-two .video-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.2) 100%);
    z-index: 1;
}
.section-container-two .play-button {
    position: relative;
    z-index: 2;
    width: 80px; height: 80px;
    background: rgba(255,255,255,0.8);
    backdrop-filter: blur(4px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.2s ease, background 0.2s;
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}
.section-container-two .play-button:hover { transform: scale(1.05); background: rgba(255,255,255,0.95); }
.section-container-two .play-icon { margin-left: 4px; }
.section-container-two .tooltip {
    position: absolute;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(8px);
    padding: 8px 18px;
    border-radius: 40px;
    color: white;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.3px;
    z-index: 3;
    white-space: nowrap;
}
.section-container-two .tooltip-name { top: 24px; left: 24px; }
.section-container-two .tooltip-quote { bottom: 24px; left: 24px; font-size: 1rem; }
.section-container-two .audio-card {
    background: #f4f4f4;
    border-radius: 24px;
    padding: 30px 28px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.section-container-two .audio-card:hover { transform: translateY(-6px); box-shadow: 0 20px 30px -12px rgba(0,0,0,0.15); }
.section-container-two .card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 2rem; }
.section-container-two .brand-name { font-weight: 600; color: #2c2c38; }
.section-container-two .card-tag { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 1px; color: #777; text-decoration: underline; transition: color 0.2s; }
.section-container-two .card-tag:hover { color: #111; }
.section-container-two .card-middle { margin-bottom: 2rem; }
.section-container-two .speaker-name { font-size: 2rem; font-weight: 700; margin-bottom: 1.5rem; color: #0f0f15; }
.section-container-two .waveform-container { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.section-container-two .waveform-container:active { transform: scale(0.98); }
.section-container-two .waveform { display: flex; align-items: center; gap: 6px; }
.section-container-two .wave-bar { width: 6px; background-color: #bcbcbc; border-radius: 4px; transition: background 0.2s, transform 0.1s; }
.section-container-two .audio-card:hover .wave-bar:not(.playing) { background-color: #cdae77; }
.section-container-two .waveform.playing .wave-bar { background-color: #cdae77; animation: bounce 0.6s infinite ease alternate; }
.section-container-two .waveform.playing .wave-bar:nth-child(1) { animation-delay: 0.0s; }
.section-container-two .waveform.playing .wave-bar:nth-child(2) { animation-delay: 0.1s; }
.section-container-two .waveform.playing .wave-bar:nth-child(3) { animation-delay: 0.2s; }
.section-container-two .waveform.playing .wave-bar:nth-child(4) { animation-delay: 0.3s; }
.section-container-two .waveform.playing .wave-bar:nth-child(5) { animation-delay: 0.4s; }
.section-container-two .waveform.playing .wave-bar:nth-child(6) { animation-delay: 0.5s; }
.section-container-two .waveform.playing .wave-bar:nth-child(7) { animation-delay: 0.6s; }
.section-container-two .waveform.playing .wave-bar:nth-child(8) { animation-delay: 0.7s; }
.section-container-two .waveform.playing .wave-bar:nth-child(9) { animation-delay: 0.8s; }

@keyframes bounce {
    0% { transform: scaleY(0.5); }
    100% { transform: scaleY(1.2); }
}
.section-container-two .play-pause-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px; height: 32px;
    background: #e0e2e5;
    border-radius: 50%;
    transition: background 0.2s, transform 0.1s;
}
.section-container-two .waveform-container:hover .play-pause-icon { background: #cdae77; }
.section-container-two .play-pause-icon svg { width: 16px; height: 16px; display: block; }
.section-container-two .card-bottom { display: flex; justify-content: space-between; align-items: flex-end; gap: 1rem; }
.section-container-two .testimonial-preview { font-size: 0.85rem; line-height: 1.4; color: #555; max-width: 70%; }
.section-container-two .avatar { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; border: 2px solid white; box-shadow: 0 2px 8px rgba(0,0,0,0.1); }

@media (max-width: 900px) {
    .section-container-two .media-grid { grid-template-columns: 1fr; gap: 32px; }
    .section-container-two .main-headline { font-size: 32px; }
    .section-container-two { padding: 50px 5%; }
    .section-container-two .tooltip-quote { white-space: normal; max-width: calc(100% - 48px); font-size: 0.8rem; }
    .section-container-two .speaker-name { font-size: 1.6rem; }
}
@media (max-width: 480px) {
    .section-container-two .main-headline { font-size: 26px; }
    .section-container-two .card-bottom { flex-direction: column; align-items: flex-start; }
    .section-container-two .testimonial-preview { max-width: 100%; }
}

/* =========================================
   SECTION THREE - CONTENT THREE (Stats)
   ========================================= */
#section-three {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 80vh;
    margin: 0;
    padding: 0;
    font-family: 'Inter', 'Helvetica Neue', sans-serif;
}
#section-three .stats-section { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 5rem; }
#section-three .stats-container { display: flex; flex-direction: column; gap: 20px; }
#section-three .stats-row {
    background: white;
    border-radius: 32px;
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: transform 0.2s ease, box-shadow 0.2s;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}
#section-three .stats-row:hover { transform: translateY(-2px); box-shadow: 0 12px 24px rgba(0,0,0,0.05); }
#section-three .stats-description { font-size: 1.125rem; line-height: 1.5; color: #2c3e50; max-width: 50%; font-weight: 400; }
#section-three .stats-number-wrapper { text-align: right; flex-shrink: 0; }
#section-three .stat-number { font-size: 72px; font-weight: 800; line-height: 1.1; color: #1e2a3a; letter-spacing: -0.02em; margin-bottom: 8px; }
#section-three .stat-label { font-size: 14px; text-transform: uppercase; letter-spacing: 1.5px; color: #6c7a89; font-weight: 500; }

@media (max-width: 768px) {
    #section-three .stats-row { flex-direction: column; text-align: center; padding: 30px 24px; gap: 24px; }
    #section-three .stats-description { max-width: 100%; font-size: 1rem; }
    #section-three .stats-number-wrapper { text-align: center; }
    #section-three .stat-number { font-size: 56px; }
}
@media (max-width: 480px) {
    #section-three .stat-number { font-size: 48px; }
}

/* =========================================
   SECTION FOUR - CONTENT FOUR (About Slides)
   ========================================= */
#section-four {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
    padding: 0;
    font-family: 'Inter', 'Helvetica Neue', sans-serif;
}
#section-four .split-section { width: 100%; max-width: 1280px; margin: 0 auto; padding-bottom: 60px; }
#section-four .split-container { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
#section-four .left-panel {
    background: #ffffff;
    border-radius: 32px;
    padding: 60px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.02);
}
#section-four .pagination-row { display: flex; align-items: center; gap: 16px; margin-bottom: 40px; }
#section-four .active-step { font-size: 0.9rem; font-weight: 600; color: #1e2a3a; background: #f0f0f0; padding: 4px 12px; border-radius: 40px; }
#section-four .divider-line { flex: 1; height: 1px; background: #e0e0e0; }
#section-four .next-steps { font-size: 0.85rem; color: #999; letter-spacing: 1px; }
#section-four .intro-text { font-size: 1rem; line-height: 1.5; color: #5a6a7a; max-width: 85%; margin-bottom: 20px; }
#section-four .section-tag { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 2px; color: #aaa; margin-bottom: 16px; }
#section-four .main-headline { font-size: 2.6rem; font-weight: 800; line-height: 1.2; color: #0f172a; margin-bottom: 20px; max-width: 90%; }
#section-four .details-btn-wrapper { margin: 24px 0 32px; }
#section-four .details-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #171c3e;
    color: white;
    padding: 10px 24px;
    border-radius: 40px;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: all 0.2s ease;
}
#section-four .details-btn:hover { background: #cdae77; color: #171c3e; transform: translateY(-2px); }
#section-four .nav-buttons { display: flex; gap: 16px; }
#section-four .nav-btn {
    width: 56px; height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid #e0e0e0;
    cursor: pointer;
    transition: all 0.2s ease;
}
#section-four .nav-btn svg { width: 24px; height: 24px; }
#section-four .prev-btn svg { stroke: #888; }
#section-four .next-btn { background: #0f172a; border: none; }
#section-four .next-btn svg { stroke: white; }
#section-four .prev-btn.disabled { opacity: 0.4; cursor: not-allowed; pointer-events: none; }
#section-four .nav-btn:not(.disabled):hover { transform: scale(1.05); }
#section-four .right-panel {
    position: relative;
    border-radius: 32px;
    overflow: hidden;
    background-color: #ddd;
    min-height: 600px;
}
#section-four .panel-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
    transition: background-image 0.4s ease-in-out;
}
#section-four .floating-card {
    position: absolute;
    bottom: 24px;
    right: 24px;
    background: rgba(40, 40, 40, 0.85);
    backdrop-filter: blur(8px);
    border-radius: 20px;
    padding: 16px 20px;
    display: flex;
    gap: 16px;
    align-items: center;
    min-width: 260px;
    transition: opacity 0.3s;
    z-index: 2;
}
#section-four .thumb-wrapper { width: 60px; height: 60px; border-radius: 12px; overflow: hidden; flex-shrink: 0; }
#section-four .thumb-wrapper img { width: 100%; height: 100%; object-fit: cover; }
#section-four .card-info { display: flex; flex-direction: column; gap: 4px; }
#section-four .card-step { font-size: 0.7rem; color: #cdae77; letter-spacing: 1px; }
#section-four .card-title { font-size: 1rem; font-weight: 600; color: white; }
#section-four .card-dots { display: flex; gap: 6px; margin-top: 4px; }
#section-four .card-dots .dot { width: 6px; height: 6px; background: rgba(255,255,255,0.4); border-radius: 50%; transition: background 0.2s; }
#section-four .card-dots .dot.active { background: #cdae77; }

@media (max-width: 900px) {
    #section-four { width: 100%; overflow-x: hidden; }
    #section-four .split-container { grid-template-columns: 1fr; gap: 24px; margin: 0 32px; }
    #section-four .left-panel { padding: 40px 32px; }
    #section-four .main-headline { font-size: 2.2rem; max-width: 100%; }
    #section-four .intro-text { max-width: 100%; }
    #section-four .right-panel { min-height: 480px; }
}
@media (max-width: 480px) {
    #section-four .left-panel { padding: 32px 24px; }
    #section-four .main-headline { font-size: 1.8rem; }
    #section-four .floating-card { right: 16px; bottom: 16px; padding: 12px 16px; min-width: 220px; }
}

/* =========================================
   SECTION FIVE - CRYSTAL SHOWCASE (Content Five)
   ========================================= */
.crystal-showcase {
    background-color: #141735;
    padding: 60px 0 80px 0;
    overflow: hidden;
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
}
.crystal-showcase .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Nav */
.crystal-showcase .showcase-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 35px;
}
.crystal-showcase .slide-main-title {
    font-size: 2.4rem;
    font-weight: 700;
    color: #ffffff;
    margin: 0;
}
.crystal-showcase .carousel-nav { display: flex; gap: 12px; }
.crystal-showcase .nav-arrow {
    width: 44px; height: 44px;
    border-radius: 50%;
    background: transparent;
    border: 2px solid #ffffff !important;
    color: #ffffff !important;
    display: flex !important;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 1 !important;
    z-index: 50;
}
.crystal-showcase .nav-arrow:hover { background: #ffffff; color: #141735 !important; }
.crystal-showcase .nav-arrow svg { fill: none; stroke: currentColor; stroke-width: 2; }

/* Swiper Wrapper & Slides */
.crystal-showcase .crystal-swiper {
    overflow: hidden;
    width: 100%;
}
.crystal-showcase .swiper-wrapper {
    display: flex;
    flex-wrap: nowrap;
}
.crystal-showcase .swiper-slide {
    width: 300px;
    flex-shrink: 0;
}

/* Product Card */
.crystal-showcase .product-card {
    width: 100%;
    background: #ffffff;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 0 25px 0;
    border-radius: 0;
    height: 100%;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-sizing: border-box;
}
.crystal-showcase .product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.25);
}
.crystal-showcase .product-image {
    width: 100%;
    aspect-ratio: 1 / 1;
    margin-bottom: 20px;
    overflow: hidden;
}
.crystal-showcase .product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.crystal-showcase .product-info {
    text-align: center;
    padding: 0 15px;
    width: 100%;
}
.crystal-showcase .product-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: #222222;
    margin-bottom: 0px;
}
.crystal-showcase .product-btn {
    display: none !important;
    padding: 8px 35px;
    border: 1px solid #c5a47e;
    color: #c5a47e;
    background: transparent;
    font-size: 0.85rem;
    text-decoration: none;
    transition: all 0.3s ease;
}
.crystal-showcase .product-btn:hover {
    background: #c5a47e;
    color: #ffffff;
}

/* Progress Bar & Explore */
.crystal-showcase .section-progress {
    margin: 45px 0 40px 25%;
    width: 50%;
}
.crystal-showcase .progress-track {
    position: relative;
    width: 100%;
    height: 2px;
    background-color: #ffffff;
    border-radius: 2px;
    overflow: hidden;
}
.crystal-showcase .progress-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background-color: #c5a47e;
    border-radius: 2px;
    transition: width 0.5s cubic-bezier(0.2, 0.9, 0.4, 1.1);
}
.crystal-showcase .explore-wrapper { text-align: center; }
.crystal-showcase .explore-btn {
    display: inline-block;
    padding: 12px 50px;
    border: 1px solid #c5a47e;
    background: transparent;
    color: #ffffff;
    text-decoration: none;
    font-size: 1rem;
    transition: all 0.3s ease;
}
.crystal-showcase .explore-btn:hover {
    background: #c5a47e;
    color: #141735;
}

/* Mobile - App-like 1 column */
@media (max-width: 768px) {
    .crystal-showcase .slide-main-title { font-size: 1.8rem; }
    .crystal-showcase .section-progress { margin: 30px auto; width: 80%; }
    .crystal-showcase .swiper-wrapper {
        gap: 15px;
    }
    .crystal-showcase .swiper-slide { width: 250px; }
}
@media (max-width: 480px) {
    .crystal-showcase .swiper-slide { width: 100%; }
}