/* ===================================================
   Oil Refining & Trading Page Styles
=================================================== */

/* ── Hero ── */
.oil-hero {
    position: relative;
    height: min(560px, calc(100svh - 83px));
    min-height: 380px;
    display: flex;
    align-items: center;
    color: #fff;
    overflow: hidden;
}

.oil-hero-image {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to bottom, rgba(5,15,30,0.55) 0%, rgba(5,15,30,0.72) 100%),
        url('../assets/presentation/oil_refining_hero.png');
    background-size: cover;
    background-position: center;
    transform: scale(1.04);
    transition: transform 8s ease;
}

.oil-page .oil-hero .oil-hero-image { transform: scale(1); }

.oil-hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
    padding: 40px 20px 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.oil-hero-content .eyebrow {
    color: var(--orange, #f5821f);
    font-family: var(--font-heading);
    font-size: 0.84rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    margin: 0 auto 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.oil-hero-content .eyebrow::before,
.oil-hero-content .eyebrow::after {
    content: '';
    display: inline-block;
    width: 28px;
    height: 2px;
    background: var(--orange, #f5821f);
    border-radius: 2px;
}

.oil-hero-content h1 {
    font-family: var(--font-heading);
    font-size: clamp(2.35rem, 4.2vw, 3.25rem);
    font-weight: 800;
    line-height: 1.16;
    letter-spacing: -0.02em;
    margin: 0 auto 18px;
    text-shadow: 0 2px 24px rgba(0,0,0,0.4);
    text-align: center;
}

.oil-hero-content > p {
    font-family: var(--font-body);
    font-size: clamp(1.05rem, 1.35vw, 1.18rem);
    line-height: 1.68;
    color: #d8e8f2;
    letter-spacing: 0.02em;
    max-width: 680px;
    margin: 0 auto;
    text-align: center;
}

/* ── Intro Section (Matching Service Intro Design with Animations) ── */
.oil-intro-clean {
    background: #ffffff;
    padding: 88px 0 80px;
    overflow: hidden;
    position: relative;
    border-top: 3px solid var(--orange, #f5821f);
}

/* Subtle dot-grid watermark */
.oil-intro-clean::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(8, 21, 37, 0.05) 1px, transparent 1px);
    background-size: 26px 26px;
    pointer-events: none;
    z-index: 0;
}

.oil-intro-clean-inner {
    max-width: 820px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
    animation: svcFadeUp 0.75s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* ── H2 ── */
.oil-title-clean {
    font-family: var(--font-heading);
    font-size: clamp(1.65rem, 2.8vw, 2.2rem);
    font-weight: 800;
    line-height: 1.18;
    color: var(--navy, #0b1a2b);
    margin: 0;
    letter-spacing: -.025em;
    animation: svcFadeUp 0.75s 0.08s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* Animated growing underline */
.oil-title-clean::after {
    content: '';
    display: block;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--orange, #f5821f) 0%, #ffb060 100%);
    border-radius: 3px;
    margin: 16px auto 28px;
    animation: svcLineGrow 0.65s 0.55s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes svcLineGrow {
    to { width: 60px; }
}

/* ── TAGLINE PILLS ── */
.oil-tagline-clean {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin: 0 0 36px;
    padding: 0;
    animation: svcFadeUp 0.75s 0.18s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.oil-tagline-clean span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-family: var(--font-heading);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--navy, #0b1a2b);
    background: rgba(8, 21, 37, 0.05);
    border: 1px solid rgba(8, 21, 37, 0.12);
    border-radius: 100px;
    padding: 7px 16px;
    transition: background 0.25s, border-color 0.25s, color 0.25s, transform 0.25s;
}

/* Orange dot before each pill */
.oil-tagline-clean span::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--orange, #f5821f);
    flex-shrink: 0;
}

.oil-tagline-clean span:hover {
    background: var(--orange, #f5821f);
    border-color: var(--orange, #f5821f);
    color: #fff;
    transform: translateY(-2px);
}

.oil-tagline-clean span:hover::before {
    background: #fff;
}

/* ── BODY TEXT CONTAINER ── */
.oil-desc-clean {
    font-family: var(--font-body);
    font-size: 0.97rem;
    line-height: 1.78;
    color: var(--ink, #1e293b);
    text-align: left;
    background: linear-gradient(135deg, rgba(245,130,31,0.04) 0%, rgba(8,21,37,0.02) 100%);
    border-left: 3px solid var(--orange, #f5821f);
    border-radius: 0 10px 10px 0;
    padding: 20px 24px;
    margin: 0 auto;
    max-width: 820px;
    animation: svcFadeUp 0.75s 0.28s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes svcFadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Connecting Markets ── */
.oil-markets {
    background: #0b1a2b;
    padding: 80px 0 0;
    color: #fff;
    overflow: hidden;
}

.oil-markets-header {
    text-align: center;
    padding: 0 20px 50px;
}

.oil-markets-header h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.55rem, 2.6vw, 2.05rem);
    font-weight: 800;
    line-height: 1.22;
    letter-spacing: -0.02em;
    color: #fff;
    margin: 0 0 18px;
}

.oil-markets-header > p {
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: #adbdc9;
    margin: 0 0 10px;
}

.markets-tagline {
    font-family: var(--font-heading);
    font-size: 0.92rem;
    color: #edf2f4;
    font-style: normal;
}

.markets-tagline em, .markets-tagline a {
    color: var(--orange);
    font-style: normal;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.oil-markets-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    align-items: stretch;
}

/* ── Service Pills ── */
.oil-services-list {
    padding: 10px 50px 60px 0;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.oil-service-pill {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 60px;
    padding: 18px 28px 18px 18px;
    backdrop-filter: blur(4px);
    transition: background 0.3s, transform 0.3s;
}

.oil-service-pill:hover {
    background: rgba(245,130,31,0.12);
    border-color: var(--orange);
    transform: translateX(6px);
}

.oil-pill-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    flex-shrink: 0;
    display: grid;
    place-items: center;
}

.oil-pill-icon svg {
    width: 28px;
    height: 28px;
    fill: none;
    stroke: #fff;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.oil-icon-import  { background: linear-gradient(135deg, #1a9e6f, #0d6e4d); }
.oil-icon-export  { background: linear-gradient(135deg, #e07b39, #c45e1e); }
.oil-icon-trading { background: linear-gradient(135deg, #6e3ec5, #4a259e); }
.oil-icon-logistics { background: linear-gradient(135deg, #1aa3b5, #0d7484); }

.oil-pill-text h3 {
    font-family: var(--font-heading);
    font-size: clamp(0.96rem, 1.3vw, 1.1rem);
    font-weight: 700;
    line-height: 1.3;
    margin: 0 0 6px;
    color: #fff;
}

.oil-pill-text p {
    font-family: var(--font-body);
    font-size: 0.88rem;
    line-height: 1.55;
    color: #adbdc9;
    margin: 0;
}

/* ── Markets Image ── */
.oil-markets-image {
    position: relative;
    min-height: 440px;
    overflow: hidden;
}

.oil-markets-image img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* ── Petroleum & Fuel Products Showcase ── */
.petroleum-showcase-section {
    background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 50%, #ffffff 100%);
    padding: 35px 0 100px;
    border-top: 1px solid #e5edf5;
    position: relative;
}

.petro-main-header {
    text-align: center;
    max-width: 820px;
    margin: 0 auto 70px;
}

.petro-main-eyebrow {
    display: none;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--orange, #f5821f);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.petro-main-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 3.4vw, 2.65rem);
    font-weight: 800;
    color: #07192d;
    margin: 0 0 16px;
    letter-spacing: -0.025em;
    line-height: 1.18;
}

.petro-main-lead {
    font-family: var(--font-body);
    font-size: 1.05rem;
    font-weight: 400 !important;
    line-height: 1.7;
    color: #52637a;
    margin: 0 auto;
    max-width: 740px;
}

/* ── Category Blocks ── */
.petro-category-block {
    margin-bottom: 85px;
    scroll-margin-top: 90px;
}

.petro-category-banner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 22px;
    padding: 40px;
    margin-bottom: 32px;
    box-shadow: 0 12px 34px rgba(7, 25, 45, 0.05);
    position: relative;
    overflow: hidden;
}

.petro-category-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #f5821f, #ffaa40, #07192d);
}

.petro-category-banner.banner-reversed {
    grid-template-columns: 1fr 1fr;
}

.petro-category-banner.banner-reversed .petro-banner-content {
    order: 2;
}

.petro-category-banner.banner-reversed .petro-banner-media {
    order: 1;
}

.petro-category-pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(7, 25, 45, 0.04);
    border: 1px solid rgba(7, 25, 45, 0.1);
    border-radius: 100px;
    padding: 6px 14px;
    margin-bottom: 16px;
}

.petro-category-pill .pill-num {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 0.76rem;
    color: #ffffff;
    background: #07192d;
    border-radius: 100px;
    padding: 2px 8px;
    letter-spacing: 0.06em;
}

.petro-category-pill .pill-label {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.74rem;
    color: #07192d;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.petro-category-title {
    font-family: var(--font-heading);
    font-size: clamp(1.7rem, 2.5vw, 2.2rem);
    font-weight: 800;
    color: #07192d;
    margin: 0 0 14px;
    letter-spacing: -0.02em;
}

.petro-category-desc {
    font-family: var(--font-body);
    font-size: 0.98rem;
    line-height: 1.68;
    color: #52637a;
    margin: 0 0 22px;
}

.petro-feature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.petro-feature-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-size: 0.78rem;
    font-weight: 600;
    color: #0a2540;
    background: #f1f6fb;
    border: 1px solid #d5e2ef;
    border-radius: 100px;
    padding: 6px 14px;
}

.petro-feature-tag svg {
    width: 14px;
    height: 14px;
    color: var(--orange, #f5821f);
    flex-shrink: 0;
}

.petro-banner-media {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    width: 100%;
    background: transparent;
    box-shadow: 0 16px 38px -6px rgba(7, 25, 45, 0.20), 0 6px 16px -4px rgba(7, 25, 45, 0.10);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.petro-banner-media:hover {
    transform: translateY(-5px);
    box-shadow: 0 24px 50px -8px rgba(7, 25, 45, 0.28), 0 8px 20px -4px rgba(245, 130, 31, 0.15);
}

.petro-banner-img {
    width: 100%;
    height: auto;
    max-width: 100%;
    display: block;
    border-radius: 24px;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.petro-banner-media:hover .petro-banner-img {
    transform: scale(1.025);
}


.petro-banner-glass-badge {
    position: absolute;
    bottom: 14px;
    right: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(5, 20, 37, 0.86);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: #ffffff;
    padding: 8px 16px;
    border-radius: 100px;
    font-family: var(--font-heading);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.32);
}

.petro-banner-glass-badge svg {
    width: 18px;
    height: 18px;
    color: var(--orange, #f5821f);
    flex-shrink: 0;
}

/* ── Product Grids & Cards ── */
.petro-cards-grid {
    display: grid;
    gap: 24px;
    align-items: stretch;
}

.petro-cards-grid.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.petro-cards-grid.grid-5 {
    grid-template-columns: repeat(6, 1fr);
}

.petro-cards-grid.grid-5 .petro-card:nth-child(1),
.petro-cards-grid.grid-5 .petro-card:nth-child(2),
.petro-cards-grid.grid-5 .petro-card:nth-child(3) {
    grid-column: span 2;
}

.petro-cards-grid.grid-5 .petro-card:nth-child(4) {
    grid-column: 2 / span 2;
}

.petro-cards-grid.grid-5 .petro-card:nth-child(5) {
    grid-column: 4 / span 2;
}

.petro-cards-grid .petro-card:nth-child(1) { transition-delay: 0.05s; }
.petro-cards-grid .petro-card:nth-child(2) { transition-delay: 0.12s; }
.petro-cards-grid .petro-card:nth-child(3) { transition-delay: 0.19s; }
.petro-cards-grid .petro-card:nth-child(4) { transition-delay: 0.26s; }
.petro-cards-grid .petro-card:nth-child(5) { transition-delay: 0.33s; }
.petro-cards-grid .petro-card:nth-child(6) { transition-delay: 0.40s; }

.petro-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 18px;
    padding: 30px 24px 24px;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 18px rgba(7, 25, 45, 0.04);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.4s ease,
                border-color 0.4s ease;
}

.petro-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3.5px;
    background: linear-gradient(90deg, #f5821f, #ffaa40);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.petro-card:hover {
    transform: translateY(-8px);
    border-color: rgba(245, 130, 31, 0.45);
    box-shadow: 0 18px 38px rgba(7, 25, 45, 0.09), 0 0 22px rgba(245, 130, 31, 0.12);
}

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

.petro-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
}

.petro-acronym-badge {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 0.8rem;
    letter-spacing: 0.04em;
    color: #07192d;
    background: linear-gradient(135deg, rgba(245, 130, 31, 0.12) 0%, rgba(7, 25, 45, 0.04) 100%);
    border: 1px solid rgba(245, 130, 31, 0.35);
    border-radius: 8px;
    padding: 5px 12px;
    transition: background 0.3s, color 0.3s, border-color 0.3s;
}

.petro-card:hover .petro-acronym-badge {
    background: var(--orange, #f5821f);
    color: #ffffff;
    border-color: var(--orange, #f5821f);
}

.petro-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(7, 25, 45, 0.04);
    border: 1px solid rgba(7, 25, 45, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #07192d;
    transition: transform 0.4s ease, background 0.4s ease, color 0.4s ease;
}

.petro-icon svg {
    width: 22px;
    height: 22px;
}

.petro-card:hover .petro-icon {
    transform: scale(1.1) rotate(4deg);
    background: #07192d;
    color: var(--orange, #f5821f);
    border-color: #07192d;
}

.petro-card-title {
    font-family: var(--font-heading);
    font-size: 1.12rem;
    font-weight: 700;
    color: #07192d;
    margin: 0 0 10px;
    line-height: 1.34;
    letter-spacing: -0.01em;
    transition: color 0.3s ease;
}

.petro-card:hover .petro-card-title {
    color: var(--orange, #f5821f);
}

.petro-card-desc {
    font-family: var(--font-body);
    font-size: 0.91rem;
    line-height: 1.62;
    color: #4a5b6d;
    margin: 0 0 20px;
    flex-grow: 1;
}

.petro-card-desc strong {
    color: inherit;
    font-weight: 400;
}

.petro-card-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-size: 0.74rem;
    font-weight: 600;
    color: #0f3460;
    background: #f1f6fa;
    border: 1px solid #dce6f0;
    border-radius: 100px;
    padding: 5px 12px;
    margin-top: auto;
    align-self: flex-start;
}

.petro-card-tag .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--orange, #f5821f);
}

/* ── Our Expertise Section (Connecting Resources. Delivering Value.) ── */
.oil-expertise-section {
    position: relative;
    background: #f8fafc;
    overflow: hidden;
    padding-bottom: 95px;
    border-top: 1px solid #e2e8f0;
}

.oil-expertise-header-wrap {
    background: #07192d;
    padding: 60px 20px 55px;
    text-align: center;
    position: relative;
}

.oil-expertise-title {
    font: 800 clamp(2.2rem, 3.8vw, 3.2rem) / 1.15 var(--font-heading);
    color: var(--orange, #f5821f);
    margin: 0 0 12px;
    letter-spacing: -0.015em;
}

.oil-expertise-subtitle {
    font: 600 clamp(1.05rem, 1.8vw, 1.35rem) / 1.35 var(--font-heading);
    color: #ffffff;
    margin: 0;
    letter-spacing: 0.02em;
}

.oil-expertise-shell {
    max-width: 1320px;
    margin: 0 auto;
    padding: 45px 20px 0;
}

.oil-expertise-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 26px;
    position: relative;
    z-index: 3;
}

.oil-expertise-grid .oil-expertise-card:nth-child(1) { transition-delay: 0.05s; }
.oil-expertise-grid .oil-expertise-card:nth-child(2) { transition-delay: 0.12s; }
.oil-expertise-grid .oil-expertise-card:nth-child(3) { transition-delay: 0.19s; }
.oil-expertise-grid .oil-expertise-card:nth-child(4) { transition-delay: 0.26s; }

.oil-expertise-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 18px;
    padding: 12px 12px 28px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
    box-shadow: 0 4px 20px rgba(7, 25, 48, 0.06);
    transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.45s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.45s ease;
}

.oil-expertise-card:hover {
    transform: translateY(-8px);
    border-color: rgba(245, 130, 31, 0.45);
    box-shadow: 0 20px 42px rgba(7, 25, 48, 0.12), 0 0 1px rgba(0, 0, 0, 0.05);
}

.oil-expertise-img-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 13;
    overflow: hidden;
    background-color: #07192d;
    background-image: url('../assets/presentation/image51.png');
    background-repeat: no-repeat;
    background-size: 575% auto;
    border-radius: 14px;
    box-shadow: 0 4px 14px rgba(0, 20, 40, 0.08);
}

.oil-crop-bg-0 {
    background-position: 2.1% 49.5%;
}

.oil-crop-bg-1 {
    background-position: 26.5% 49.5%;
}

.oil-crop-bg-2 {
    background-position: 50.8% 49.5%;
}

.oil-crop-bg-3 {
    background-position: 75.2% 49.5%;
}

.oil-card-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border-radius: 14px;
    display: block;
    object-fit: cover;
    transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.oil-expertise-card:hover .oil-card-canvas {
    transform: scale(1.04);
}

/* Symbol badge in front of text */
.oil-expertise-badge {
    width: 66px;
    height: 66px;
    border-radius: 50%;
    background: #002744;
    border: 4px solid #ffffff;
    box-shadow: 0 4px 18px rgba(0, 25, 55, 0.22);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    align-self: center;
    margin-top: -33px;
    z-index: 5;
    position: relative;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                background 0.35s ease,
                box-shadow 0.35s ease;
}

.oil-expertise-card:hover .oil-expertise-badge {
    transform: scale(1.12);
    background: #063158;
    box-shadow: 0 10px 28px rgba(0, 25, 55, 0.3), 0 0 18px rgba(245, 130, 31, 0.35);
}

.oil-badge-icon {
    width: 36px;
    height: 36px;
    display: block;
    flex-shrink: 0;
    transition: transform 0.35s ease;
}

.oil-expertise-card:hover .oil-badge-icon {
    transform: scale(1.06);
}

.oil-expertise-body {
    padding: 10px 6px 0;
    text-align: center;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    align-items: center;
}

.oil-expertise-card-title {
    font-family: var(--font-heading);
    font-size: clamp(1.15rem, 1.35vw, 1.28rem);
    font-weight: 800;
    color: #07223d;
    margin: 12px 0 10px;
    min-height: 2.6rem;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    letter-spacing: -0.015em;
    line-height: 1.25;
}

.oil-expertise-rule {
    width: 36px;
    height: 3.5px;
    background: #f5a623;
    border-radius: 2px;
    margin: 0 auto 14px;
    transition: width 0.35s cubic-bezier(0.16, 1, 0.3, 1), background 0.35s ease;
}

.oil-expertise-card:hover .oil-expertise-rule {
    width: 56px;
    background: var(--orange, #f5821f);
}

.oil-expertise-card-desc {
    font-family: var(--font-body);
    font-size: 0.92rem;
    font-weight: 500;
    line-height: 1.62;
    color: #4a5568;
    margin: 0;
    text-align: center;
}

/* ── Responsive Adjustments ── */
@media (max-width: 1100px) {
    .petro-cards-grid.grid-3,
    .petro-cards-grid.grid-5 {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .petro-cards-grid.grid-5 .petro-card:nth-child(n) {
        grid-column: auto;
    }

    .petro-category-banner,
    .petro-category-banner.banner-reversed {
        grid-template-columns: 1fr;
        gap: 28px;
        padding: 34px 28px;
    }

    .petro-category-banner.banner-reversed .petro-banner-content {
        order: 1;
    }

    .petro-category-banner.banner-reversed .petro-banner-media {
        order: 2;
    }

    .petro-banner-media {
        max-width: 560px;
        margin: 0 auto;
    }
}

@media (max-width: 1100px) {
    .oil-expertise-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 22px;
    }
}

@media (max-width: 900px) {
    .oil-markets-body { grid-template-columns: 1fr; }
    .oil-services-list { padding: 10px 0 40px; }
    .oil-markets-image { min-height: 300px; }
}

@media (max-width: 680px) {
    .oil-hero-content h1 { font-size: 2.1rem; }
    .oil-service-pill { border-radius: 20px; flex-direction: column; gap: 12px; }
    .oil-service-pill:hover { transform: none; }

    .petro-cards-grid.grid-3,
    .petro-cards-grid.grid-5 {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .petro-category-banner {
        padding: 24px 18px;
        border-radius: 16px;
    }

    .petro-banner-media {
        max-width: 100%;
        border-radius: 16px;
    }

    .petro-banner-img {
        border-radius: 16px;
    }

    .petro-card {
        padding: 24px 18px 20px;
    }

    .oil-expertise-shell {
        padding: 30px 16px 0;
    }

    .oil-expertise-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .oil-expertise-grid .oil-expertise-card {
        max-width: 440px;
        margin: 0 auto;
        width: 100%;
    }

    .oil-tagline-clean {
        flex-direction: column;
        gap: 6px;
    }

    .oil-tagline-clean .pipe-sep {
        display: none;
    }
}