* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: Calibri, 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background: #F7F7F8; color: #1f2937; }

.product-hero {
    background: #ffffff;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    min-height: 100vh;
    overflow: hidden;
}

.hero-left {
    padding: 4rem 3rem 4rem 5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-right {
    height: 100vh;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.img-slideshow {
    position: relative;
    width: 260px;
    height: 480px;
    margin-top: -60px;
}

.img-slideshow .slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 22px;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.15);
    opacity: 0;
    animation: img-fade 24s infinite;
}

.img-slideshow .slide:nth-child(1) { animation-delay: 0s; }
.img-slideshow .slide:nth-child(2) { animation-delay: 4s; }
.img-slideshow .slide:nth-child(3) { animation-delay: 8s; }
.img-slideshow .slide:nth-child(4) { animation-delay: 12s; object-fit: contain; background: #f7f7f8; }
.img-slideshow .slide:nth-child(5) { animation-delay: 16s; }
.img-slideshow .slide:nth-child(6) { animation-delay: 20s; }

@keyframes img-fade {
    0%     { opacity: 0; }
    4.17%  { opacity: 1; }
    16.67% { opacity: 1; }
    20.83% { opacity: 0; }
    100%   { opacity: 0; }
}


.product-badge {
    display: inline-block;
    background: #86BC25;
    color: #000;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    padding: 0.35rem 1rem;
    border-radius: 50px;
    margin-bottom: 1.5rem;
    width: fit-content;
}
.product-hero h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; color: #111; line-height: 1.2; margin-bottom: 1.25rem; }
.product-hero h1 span { color: #86BC25; }
.product-hero p { font-size: 1.1rem; color: #4b5563; max-width: 520px; margin: 0 0 2rem; line-height: 1.8; }
.hero-cta-group { display: flex; gap: 1rem; flex-wrap: wrap; }

@media (max-width: 900px) {
    .product-hero {
        grid-template-columns: 1fr;
        min-height: auto;
    }
    .hero-left {
        padding: 2rem 2rem 1.5rem;
        text-align: center;
        align-items: center;
    }
    .hero-left p { margin: 0 auto 2rem; }
    .hero-right {
        height: 400px;
    }
    .img-slideshow {
        width: 180px;
        height: 320px;
    }
    .hero-cta-group {
        justify-content: center;
        flex-wrap: nowrap;
    }
    .hero-cta-group .btn-primary-product,
    .hero-cta-group .btn-outline-product {
        flex: 1 1 160px;
        min-width: 0;
        text-align: center;
    }
}
.btn-primary-product { background: #000; color: #86BC25; padding: 0.75rem 2rem; border-radius: 8px; text-decoration: none; font-weight: 700; transition: background 0.3s; }
.btn-primary-product:hover { background: #6fa01e; color: #000; }
.btn-outline-product { border: 2px solid #86BC25; color: #86BC25; padding: 0.75rem 2rem; border-radius: 8px; text-decoration: none; font-weight: 700; transition: all 0.3s; }
.btn-outline-product:hover { background: #86BC25; color: #000; }

.features-section { padding: 5rem 2rem 2.5rem; background: #fff; }
.section-title { text-align: center; margin-bottom: 3rem; }
.section-title h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; color: #111; }
.section-title h2 span { color: #86BC25; }
.section-title p { color: #6b7280; font-size: 1rem; margin-top: 0.75rem; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 2rem; max-width: 1100px; margin: 0 auto; }
.feature-card { background: #f9fafb; border-radius: 12px; padding: 2rem; transition: transform 0.3s ease, box-shadow 0.3s ease; cursor: default; text-align: center; display: flex; flex-direction: column; align-items: center; }
.feature-card:hover { transform: translateY(-8px); box-shadow: 0 12px 32px rgba(134, 188, 37, 0.18); }
.feature-card i { font-size: 1.8rem; color: #86BC25; margin-bottom: 1rem; }
.feature-card h3 { font-size: 1.1rem; font-weight: 700; color: #111; margin-bottom: 0.5rem; }
.feature-card p { font-size: 0.95rem; color: #6b7280; line-height: 1.7; }

.how-section { padding: 2.5rem 2rem 5rem; background: #F7F7F8; }
.steps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 2rem; max-width: 1100px; margin: 0 auto; }
.step-card { text-align: center; padding: 2rem 1.5rem; }
.step-num { width: 50px; height: 50px; background: #86BC25; color: #000; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.3rem; font-weight: 800; margin: 0 auto 1rem; }
.step-card h4 { font-size: 1rem; font-weight: 700; color: #111; margin-bottom: 0.5rem; transition: color 0.3s ease; }
.step-card:hover h4 { color: #86BC25; }
.step-card p { font-size: 0.9rem; color: #6b7280; }

.cta-section { background: #86BC25; color: #000; padding: 4rem 2rem; text-align: center; }
.cta-section h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 800; margin-bottom: 1rem; }
.cta-section p { color: #000; margin-bottom: 2rem; }

body.dark-mode { background: #0f1117; color: #e5e7eb; }

body.dark-mode .product-hero { background: #0f1117; }
/* body.dark-mode .hero-right { background: #1a1a1a; } */
body.dark-mode .img-slideshow .slide { box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5); }
body.dark-mode .img-slideshow .slide:nth-child(4) { background: #1a1a1a; }
body.dark-mode .product-hero h1 { color: #f3f4f6; }
body.dark-mode .product-hero p { color: #9ca3af; }

body.dark-mode .btn-outline-product { border-color: #86BC25; color: #86BC25; }
body.dark-mode .btn-outline-product:hover { background: #86BC25; color: #000; }

body.dark-mode .features-section { background: #1b1b1b; }
body.dark-mode .section-title h2 { color: #f3f4f6; }
body.dark-mode .section-title p { color: #9ca3af; }

body.dark-mode .feature-card { background: #0f0f0f; border-left-color: #86BC25; }
body.dark-mode .feature-card h3 { color: #f3f4f6; }
body.dark-mode .feature-card p { color: #9ca3af; }

body.dark-mode .how-section { background: #0f1117; }
body.dark-mode .step-card h4 { color: #f3f4f6; }
body.dark-mode .step-card p { color: #9ca3af; }

body.dark-mode .cta-section { background: #86BC25; }
body.dark-mode .cta-section h2 { color: #000; }
body.dark-mode .cta-section p { color: #000; }