.chemoil-why-choose-section {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
    background-color: #ffffff;
}

.chemoil-why-choose-section .why-tag {
    display: inline-block;
    color: #ef4444;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.chemoil-why-choose-section .why-heading {
    font-size: 42px;
    font-weight: 800;
    color: #0f172a;
    line-height: 1.15;
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.chemoil-why-choose-section .why-paragraph {
    color: #64748b;
    font-size: 17px;
    line-height: 1.6;
    max-width: 750px;
    margin-bottom: 50px;
}

.chemoil-why-choose-section .why-header-center {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px auto;
}
.chemoil-why-choose-section .why-header-center .why-paragraph {
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 0;
}

/* Icon / Emoji formatting helper */
.emoji-icon {
    font-size: 32px;
    line-height: 1;
    display: inline-block;
    transition: transform 0.3s ease;
}
.chemoil-why-choose-section i {
    font-size: 30px;
    transition: transform 0.3s ease;
}

/* ────────────────────────────────────────────────────────
   STYLE 1: MODERN 4-COLUMN GLASSMORPHISM GRID
   ──────────────────────────────────────────────────────── */
.style-1 {
    background: linear-gradient(135deg, #0b1528 0%, #030812 100%);
    color: #ffffff;
}
.style-1 .why-heading { color: #ffffff; }
.style-1 .why-paragraph { color: #94a3b8; }
.style-1 .why-style-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}
.style-1 .why-grid-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 40px 30px;
    backdrop-filter: blur(10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.style-1 .why-grid-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(239, 68, 68, 0.4);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}
.style-1 .why-card-icon {
    width: 65px;
    height: 65px;
    background: linear-gradient(135deg, rgba(239,68,68,0.2), rgba(239,68,68,0.05));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    color: #ef4444;
    border: 1px solid rgba(239,68,68,0.2);
}
.style-1 .why-grid-card h4 {
    font-size: 20px;
    color: #ffffff;
    margin-bottom: 12px;
    font-weight: 700;
}
.style-1 .why-grid-card p {
    color: #cbd5e1;
    font-size: 15px;
    line-height: 1.6;
    margin: 0;
}

/* ────────────────────────────────────────────────────────
   STYLE 2: 2-COLUMN OFFSET GRID (LEFT TEXT, RIGHT 2x2)
   ──────────────────────────────────────────────────────── */
.style-2 {
    background-color: #f8fafc;
}
.why-style2-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: center;
}
.why-style2-grid .why-left-intro {
    padding-right: 20px;
}
.why-style2-grid .why-paragraph {
    margin-bottom: 0;
}
.why-style2-grid .why-grid-2x2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}
.why-card-s2 {
    background: #ffffff;
    padding: 35px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.03);
    border-left: 4px solid #ef4444;
    transition: all 0.3s ease;
}
.why-card-s2:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(15, 23, 42, 0.08);
}
.why-icon-s2 {
    color: #ef4444;
    margin-bottom: 20px;
}
.why-card-s2 h4 {
    font-size: 19px;
    color: #0f172a;
    margin: 0 0 10px 0;
}
.why-card-s2 p {
    color: #64748b;
    font-size: 14px;
    line-height: 1.5;
    margin: 0;
}

/* ────────────────────────────────────────────────────────
   STYLE 3: MINIMALIST 3-COLUMN GLOW OUTLINE CARDS
   ──────────────────────────────────────────────────────── */
.style-3 {
    background-color: #ffffff;
}
.style-3 .why-style-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}
.style-3 .why-grid-card {
    background: #ffffff;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
}
.style-3 .why-grid-card:hover {
    border-color: #ef4444;
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1), 0 10px 30px rgba(0,0,0,0.05);
    transform: scale(1.02);
}
.style-3 .why-card-icon {
    color: #ef4444;
    margin-bottom: 20px;
}
.style-3 .why-grid-card h4 {
    font-size: 20px;
    color: #0f172a;
    margin-bottom: 12px;
}
.style-3 .why-grid-card p {
    color: #64748b;
    font-size: 15px;
    line-height: 1.6;
    margin: 0;
}

/* ────────────────────────────────────────────────────────
   STYLE 4: ALTERNATING ROW TIMELINE LAYOUT
   ──────────────────────────────────────────────────────── */
.why-timeline-wrapper {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 0;
}
.timeline-line {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background-color: #e2e8f0;
    transform: translateX(-50%);
}
.timeline-row {
    position: relative;
    margin-bottom: 50px;
    width: 50%;
    clear: both;
}
.timeline-row.left-align {
    float: left;
    padding-right: 40px;
    text-align: right;
}
.timeline-row.right-align {
    float: right;
    padding-left: 40px;
    text-align: left;
}
.timeline-dot {
    position: absolute;
    top: 25px;
    width: 14px;
    height: 14px;
    background-color: #ef4444;
    border: 3px solid #ffffff;
    border-radius: 50%;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
    z-index: 10;
}
.left-align .timeline-dot {
    right: -7px;
}
.right-align .timeline-dot {
    left: -7px;
}
.timeline-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.02);
    display: inline-flex;
    gap: 20px;
    align-items: flex-start;
}
.left-align .timeline-card {
    flex-direction: row-reverse;
}
.timeline-icon {
    color: #ef4444;
    flex-shrink: 0;
}
.timeline-text h4 {
    font-size: 18px;
    color: #0f172a;
    margin: 0 0 8px 0;
}
.timeline-text p {
    color: #64748b;
    font-size: 14px;
    line-height: 1.5;
    margin: 0;
}
.why-timeline-wrapper::after {
    content: '';
    display: table;
    clear: both;
}

/* ────────────────────────────────────────────────────────
   STYLE 5: VISUAL SPLIT LAYOUT (LEFT IMAGE, RIGHT ACCORDIONS)
   ──────────────────────────────────────────────────────── */
.why-style5-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 70px;
    align-items: center;
}
.why-split-img-wrapper {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
}
.why-split-img-wrapper img {
    width: 100%;
    height: 520px;
    object-fit: cover;
    display: block;
}
.why-accordion-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.why-acc-item {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
}
.why-acc-header {
    padding: 22px 25px;
    display: flex;
    align-items: center;
    cursor: pointer;
    gap: 15px;
}
.why-acc-header h4 {
    margin: 0;
    font-size: 17px;
    color: #0f172a;
    font-weight: 700;
    flex-grow: 1;
}
.acc-icon {
    color: #ef4444;
}
.acc-chevron {
    color: #64748b;
    transition: transform 0.3s ease;
}
.why-acc-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    padding: 0 25px;
}
.why-acc-body p {
    margin: 0 0 22px 0;
    color: #64748b;
    font-size: 14px;
    line-height: 1.6;
}
.why-acc-item.active {
    background: #ffffff;
    border-color: #ef4444;
    box-shadow: 0 10px 25px rgba(0,0,0,0.03);
}
.why-acc-item.active .acc-chevron {
    transform: rotate(180deg);
    color: #ef4444;
}
.why-acc-item.active .why-acc-body {
    max-height: 150px;
}

/* ────────────────────────────────────────────────────────
   STYLE 6: SERIF NUMBERED INDEX LIST (01, 02, 03...)
   ──────────────────────────────────────────────────────── */
.style-6 .why-style-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 40px;
}
.style-6 .why-grid-card {
    border-top: 2px solid #e2e8f0;
    padding-top: 30px;
    transition: all 0.3s ease;
}
.style-6 .why-grid-card:hover {
    border-top-color: #ef4444;
    transform: translateY(-5px);
}
.why-card-number {
    font-family: 'Outfit', sans-serif;
    font-size: 48px;
    font-weight: 800;
    color: rgba(239, 68, 68, 0.15);
    line-height: 1;
    margin-bottom: 20px;
    transition: color 0.3s ease;
}
.style-6 .why-grid-card:hover .why-card-number {
    color: #ef4444;
}
.style-6 .why-grid-card h4 {
    font-size: 19px;
    color: #0f172a;
    margin-bottom: 12px;
}
.style-6 .why-grid-card p {
    color: #64748b;
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
}

/* ────────────────────────────────────────────────────────
   STYLE 7: STAGGERED MASONRY DEPTH GRID
   ──────────────────────────────────────────────────────── */
.style-7 {
    background-color: #f8fafc;
}
.style-7 .why-style-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
    padding-bottom: 30px;
}
.style-7 .why-grid-card {
    background: #ffffff;
    border-radius: 12px;
    padding: 40px 30px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.02);
    transition: all 0.3s ease;
}
.style-7 .why-grid-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 35px rgba(0,0,0,0.06);
}
.style-7 .card-index-2, .style-7 .card-index-4 {
    transform: translateY(30px);
}
.style-7 .card-index-2:hover, .style-7 .card-index-4:hover {
    transform: translateY(22px);
}
.style-7 .why-card-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #fff5f5;
    color: #ef4444;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}
.style-7 h4 { font-size: 19px; color: #0f172a; margin-bottom: 12px; }
.style-7 p { color: #64748b; font-size: 14px; line-height: 1.5; margin: 0; }

/* ────────────────────────────────────────────────────────
   STYLE 8: HIGH CONTRAST DARK-MODE HIGHLIGHT CARDS
   ──────────────────────────────────────────────────────── */
.style-8 {
    background: #031424;
    color: #ffffff;
}
.style-8 .why-heading { color: #ffffff; }
.style-8 .why-paragraph { color: #94a3b8; }
.style-8 .why-style-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}
.style-8 .why-grid-card {
    background: #081d31;
    border-bottom: 4px solid #1e293b;
    border-radius: 8px;
    padding: 40px 30px;
    transition: all 0.3s ease;
}
.style-8 .why-grid-card:hover {
    border-bottom-color: #ef4444;
    transform: translateY(-5px);
    background: #0d2842;
}
.style-8 .why-card-icon {
    color: #ef4444;
    margin-bottom: 20px;
}
.style-8 h4 { font-size: 19px; color: #ffffff; margin-bottom: 12px; }
.style-8 p { color: #94a3b8; font-size: 14px; line-height: 1.6; margin: 0; }

/* ────────────────────────────────────────────────────────
   STYLE 9: HORIZONTAL WIDE CARDS WITH LEFT ICONS
   ──────────────────────────────────────────────────────── */
.why-wide-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 950px;
    margin: 0 auto;
}
.why-wide-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 30px 40px;
    display: flex;
    gap: 30px;
    align-items: center;
    transition: all 0.3s ease;
}
.why-wide-card:hover {
    border-color: #ef4444;
    box-shadow: 0 10px 25px rgba(0,0,0,0.03);
    transform: translateX(5px);
}
.wide-icon {
    width: 60px;
    height: 60px;
    border-radius: 10px;
    background: #f8fafc;
    color: #ef4444;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s ease;
}
.why-wide-card:hover .wide-icon {
    background: #ef4444;
    color: #ffffff;
}
.wide-info h4 {
    font-size: 18px;
    color: #0f172a;
    margin: 0 0 6px 0;
}
.wide-info p {
    color: #64748b;
    font-size: 14px;
    line-height: 1.5;
    margin: 0;
}

/* ────────────────────────────────────────────────────────
   STYLE 10: TILTED 3D STACK LAYER CARDS
   ──────────────────────────────────────────────────────── */
.style-10 {
    background-color: #f8fafc;
    perspective: 1000px;
}
.style-10 .why-style-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
}
.style-10 .why-grid-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 40px 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.02);
    transform: rotateY(5deg) rotateX(3deg);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}
.style-10 .why-grid-card:hover {
    transform: rotateY(0deg) rotateX(0deg) scale(1.05);
    box-shadow: 0 20px 40px rgba(0,0,0,0.07);
    border-color: #ef4444;
}
.style-10 .why-card-icon {
    color: #ef4444;
    margin-bottom: 25px;
}
.style-10 h4 { font-size: 19px; color: #0f172a; margin-bottom: 12px; }
.style-10 p { color: #64748b; font-size: 14px; line-height: 1.6; margin: 0; }

/* Responsive adjustments */
@media (max-width: 991px) {
    .why-style2-grid, .why-style5-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    .why-timeline-wrapper {
        padding-left: 20px;
    }
    .timeline-line {
        left: 20px;
    }
    .timeline-row {
        width: 100%;
        float: none !important;
        padding-left: 45px !important;
        padding-right: 0 !important;
        text-align: left !important;
    }
    .timeline-dot {
        left: 13px !important;
        right: auto !important;
    }
    .timeline-card {
        flex-direction: row !important;
        width: 100%;
    }
    .style-7 .card-index-2, .style-7 .card-index-4 {
        transform: none;
    }
    .style-7 .card-index-2:hover, .style-7 .card-index-4:hover {
        transform: translateY(-8px);
    }
}
@media (max-width: 600px) {
    .why-style2-grid .why-grid-2x2 {
        grid-template-columns: 1fr;
    }
    .why-wide-card {
        flex-direction: column;
        text-align: center;
        padding: 30px;
    }
}