/* ===== OIL & GAS INDUSTRY — COMPLETE STYLESHEET ===== */
/* Based on your HTML structure and design tokens */

:root {
  --white:          #ffffff;
  --paper:          #ffffff;
  --paper-2:        #f0f7ff;
  --paper-3:        #e8f4ff;
  --line:           #dbe8f5;
  --line-soft:      #eaf0f8;

  --blue:           #007BFF;
  --blue-deep:      #0056c7;
  --blue-bright:    #3399FF;
  --blue-soft:      #eef4ff;

  --gold:           #FFC000;
  --gold-soft:      #fff3cc;
  --gold-deep:      #e6ac00;

  --text-ink:       #333333;
  --text-ink-dim:   #666666;
  --text-on-blue:   #ffffff;
}

/* ===== RESET ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: var(--paper);
  color: var(--text-ink);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

img { max-width: 100%; display: block; }
ul { list-style: none; }
a { text-decoration: none; color: inherit; }

/* ===== UTILITY ===== */
.section-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-center {
  text-align: center;
  max-width: 768px;
  margin: 0 auto 64px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 16px;
}

.section-tag::before,
.section-tag::after {
  content: "";
  width: 40px;
  height: 1px;
  background: var(--blue);
  display: inline-block;
}

.page-section {
  padding: 110px 0;
  background: var(--paper);
}

.page-section.alt {
  background: var(--paper-2);
}

.page-section h2 {
  font-size: clamp(2rem, 3.6vw, 3rem);
  color: var(--blue-deep);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin-bottom: 20px;
}

.page-section h2 span {
  color: var(--gold);
}

.page-section .section-description {
  color: var(--text-ink-dim);
  font-size: 18px;
  line-height: 1.6;
  max-width: 720px;
  margin: 0 auto;
}

/* ===== HERO ===== */
.hero-oil-gas {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-deep) 60%, #003f9e 100%);
  color: var(--text-on-blue);
  padding: 120px 24px 100px;
  min-height: 92vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}



.hero-grid-lines { display: none; }

.hero-content {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 64px;
  align-items: center;
  max-width: 1240px;
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 1;
}

.hero-oil-gas .hero-text { padding: 20px 0; position: relative; z-index: 1; }

.hero-eyebrow {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 28px;
}
.eyebrow-bar {
  width: 56px; height: 2px;
  background: var(--gold);
  display: inline-block;
}
.hero-oil-gas h3 {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0;
}

.hero-oil-gas h1 {
  font-family: Arial, Helvetica, sans-serif;
  font-size: clamp(40px, 5.4vw, 64px);
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #ffffff;
  margin: 0 0 28px;
}
.hero-oil-gas h1 em {
  font-style: normal;
  font-weight: 700;
  color: var(--gold);
}

.hero-oil-gas p {
  font-size: 17px;
  line-height: 1.7;
  color: rgba(255,255,255,0.88);
  max-width: 540px;
  margin: 0 0 36px;
}

.hero-image {
  min-height: 520px;
  background-color: rgba(255,255,255,0.1);
  background-size: cover;
  background-position: center;
  border-radius: 8px;
  position: relative;
  border: 1px solid rgba(255,255,255,0.2);
  box-shadow: 0 20px 50px rgba(0,0,0,0.25);
  z-index: 1;
}
.hero-image-tag {
  position: absolute;
  left: 16px; bottom: 16px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--blue-deep);
  background: rgba(255,255,255,0.9);
  border: 1px solid rgba(255,255,255,0.5);
  padding: 8px 12px;
  border-radius: 4px;
  backdrop-filter: blur(6px);
}


/* CTA */
.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  text-decoration: none;
  color: #1a1a1a;
  background: var(--gold);
  padding: 18px 32px;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  position: relative;
  transition: transform .35s ease, background .35s ease, box-shadow .35s ease;
  box-shadow: 0 10px 24px rgba(255,192,0,0.35);
}
.cta-button span { transition: transform .35s ease; }
.cta-button:hover { background: var(--gold-deep); transform: translateY(-2px); box-shadow: 0 14px 30px rgba(255,192,0,0.5); }
.cta-button:hover span { transform: translateX(6px); }

/* Hero meta strip */
.hero-meta {
  display: flex; gap: 48px;
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.25);
  position: relative; z-index: 1;
}
.hero-meta > div { display: flex; flex-direction: column; gap: 4px; }
.hero-meta .num {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 32px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: -0.02em;
}
.hero-meta .lbl {
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.75);
}



/* ========================================= */
/* INDUSTRY OVERVIEW */
/* ========================================= */

.overview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.overview-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 3px solid var(--blue);
  border-radius: 12px;
  padding: 32px 28px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.overview-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px -30px rgba(0, 123, 255, 0.3);
  border-color: var(--blue);
}

.overview-number {
  font-size: 42px;
  font-weight: 800;
  color: var(--gold-deep);
  letter-spacing: -0.02em;
  line-height: 1;
  display: block;
  margin-bottom: 16px;
}

.overview-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--blue-deep);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.overview-card p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-ink-dim);
}

/* ========================================= */
/* OUR SOLUTIONS — SECTOR CARDS */
/* ========================================= */

.solution-sector-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.sector-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 40px 36px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  display: flex;
  flex-direction: column;
}

.sector-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px -30px rgba(0, 123, 255, 0.25);
  border-color: var(--blue);
}

.sector-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 12px;
}

.sector-card h3 {
  font-size: 26px;
  font-weight: 700;
  color: var(--blue-deep);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.sector-card > p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-ink-dim);
  margin-bottom: 24px;
  flex: 1;
}

.sector-card ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}

.sector-card ul li {
  font-size: 14px;
  color: var(--text-ink);
  padding-left: 20px;
  position: relative;
}

.sector-card ul li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 700;
}

.sector-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--blue);
  transition: color 0.3s ease, transform 0.3s ease;
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.sector-link:hover {
  color: var(--gold-deep);
  transform: translateX(4px);
}

.sector-link::after {
  content: "→";
  transition: transform 0.3s ease;
}

.sector-link:hover::after {
  transform: translateX(4px);
}

/* ========================================= */
/* UPSTREAM / DOWNSTREAM — SERVICE GRID */
/* ========================================= */

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 32px 28px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px -30px rgba(0, 123, 255, 0.2);
  border-color: var(--blue);
}

.service-index {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--blue);
  margin-bottom: 16px;
}

.service-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--blue-deep);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.service-group {
  margin-bottom: 16px;
}

.service-group:last-child {
  margin-bottom: 0;
}

.service-group h4 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--gold-deep);
  margin-bottom: 8px;
}

.service-group ul,
.service-card > ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.service-group ul li,
.service-card > ul li {
  font-size: 14px;
  color: var(--text-ink-dim);
  padding-left: 16px;
  position: relative;
  line-height: 1.6;
}

.service-group ul li::before,
.service-card > ul li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--blue);
}

/* ========================================= */
/* SERVICE LINK — زر Learn More */
/* ========================================= */

.service-link{
    display:inline-flex;
    align-items:center;
    gap:8px;

    margin-top:auto;      /* أهم سطر */
    padding-top:16px;

    border-top:1px solid var(--line,#dbe8f5);

    font-size:13px;
    font-weight:700;
    color:var(--blue,#007BFF);
    text-decoration:none;
    letter-spacing:.5px;

    transition:.3s;
}

/* السهم الثابت */
.service-link::after {
    content: "→";
    display: inline-block;
    transition: transform 0.3s ease;
    font-size: 16px;
}

/* تأثير التمرير */
.service-link:hover {
    color: var(--gold-deep, #e6ac00);
    transform: translateX(4px);
}

.service-link:hover::after {
    transform: translateX(6px);
}

/* ===== خيارات إضافية للزر ===== */

/* خيار 1: زر بخلفية */
.service-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 20px;
    padding: 10px 24px;
    background: var(--blue, #007BFF);
    color: #ffffff;
    border-radius: 40px;
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.service-link-btn:hover {
    background: var(--blue-deep, #0056c7);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 123, 255, 0.3);
}

.service-link-btn::after {
    content: "→";
    display: inline-block;
    transition: transform 0.3s ease;
}

.service-link-btn:hover::after {
    transform: translateX(4px);
}

/* خيار 2: زر بحدود */
.service-link-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 20px;
    padding: 10px 24px;
    background: transparent;
    color: var(--blue, #007BFF);
    border: 2px solid var(--blue, #007BFF);
    border-radius: 40px;
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.service-link-outline:hover {
    background: var(--blue, #007BFF);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 123, 255, 0.2);
}

.service-link-outline::after {
    content: "→";
    display: inline-block;
    transition: transform 0.3s ease;
}

.service-link-outline:hover::after {
    transform: translateX(4px);
}

/* خيار 3: زر ذهبي */
.service-link-gold {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 20px;
    padding: 10px 24px;
    background: var(--gold, #FFC000);
    color: #1a2a3a;
    border-radius: 40px;
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.service-link-gold:hover {
    background: var(--gold-deep, #e6ac00);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 192, 0, 0.3);
}

.service-link-gold::after {
    content: "→";
    display: inline-block;
    transition: transform 0.3s ease;
}

.service-link-gold:hover::after {
    transform: translateX(4px);
}

/* ===== خيارات إضافية ===== */

/* إضافة أيقونة قبل النص */
.service-link-icon {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--line, #dbe8f5);
    font-size: 13px;
    font-weight: 700;
    color: var(--blue, #007BFF);
    text-decoration: none;
    transition: all 0.3s ease;
}

.service-link-icon .icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--blue-soft, #eef4ff);
    border-radius: 50%;
    font-size: 14px;
    transition: all 0.3s ease;
}

.service-link-icon:hover {
    color: var(--gold-deep, #e6ac00);
    transform: translateX(4px);
}

.service-link-icon:hover .icon {
    background: var(--gold-soft, #fff3cc);
    transform: scale(1.1);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 640px) {
    .service-link-btn,
    .service-link-outline,
    .service-link-gold {
        width: 100%;
        justify-content: center;
    }
}

/* ========================================= */
/* TECHNICAL CAPABILITIES */
/* ========================================= */

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.capability-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 32px 28px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.capability-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px -24px rgba(0, 123, 255, 0.2);
  border-color: var(--blue);
}

.capability-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blue);
  color: #fff;
  border-radius: 50%;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
}

.capability-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--blue-deep);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.capability-card p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-ink-dim);
}

/* ========================================= */
/* WHY AQUAKEM — COMPARISON GRID */
/* ========================================= */

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.comparison-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 32px 28px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.comparison-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px -24px rgba(0, 123, 255, 0.2);
  border-color: var(--blue);
}

.comparison-item h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--blue-deep);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.comparison-item p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-ink-dim);
}

/* ========================================= */
/* CALL TO ACTION */
/* ========================================= */

.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-deep) 60%, #003f9e 100%);
  color: #fff;
}

.cta-box {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}

.cta-box .section-tag {
  color: var(--gold);
}

.cta-box .section-tag::before,
.cta-box .section-tag::after {
  background: var(--gold);
}

.cta-box h2 {
  font-size: clamp(2rem, 3.6vw, 3rem);
  color: #fff;
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin-bottom: 20px;
}

.cta-box h2 span {
  color: var(--gold);
}

.cta-box p {
  font-size: 18px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
  max-width: 640px;
  margin: 0 auto 36px;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

.btn-primary {
  display: inline-block;
  background: var(--gold);
  color: #fff;
  padding: 14px 36px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  transition: background 0.3s ease, transform 0.2s ease;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: var(--gold-deep);
  transform: translateY(-2px);
}

.btn-outline {
  display: inline-block;
  background: transparent;
  color: #fff;
  padding: 14px 36px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  border: 2px solid rgba(255, 255, 255, 0.4);
  transition: border-color 0.3s ease, background 0.3s ease, transform 0.2s ease;
  cursor: pointer;
}

.btn-outline:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

/* ========================================= */
/* RELATED INDUSTRIES */
/* ========================================= */

.related-industries {
  padding: 96px 0;
  background: var(--paper-2);
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.industry-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 32px 28px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  display: block;
  text-decoration: none;
}

.industry-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px -24px rgba(0, 123, 255, 0.2);
  border-color: var(--blue);
}

.industry-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--blue-deep);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.industry-card p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-ink-dim);
}

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

@media (max-width: 1024px) {
  .overview-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .capabilities-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .comparison-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .industry-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .solution-sector-grid {
    grid-template-columns: 1fr;
  }

  .service-grid {
    grid-template-columns: 1fr;
  }

  .capabilities-grid {
    grid-template-columns: 1fr;
  }

  .comparison-grid {
    grid-template-columns: 1fr;
  }

  .industry-grid {
    grid-template-columns: 1fr;
  }

  .overview-grid {
    grid-template-columns: 1fr;
  }

  .page-section {
    padding: 72px 0;
  }

  .section-center {
    margin-bottom: 40px;
  }

  .section-tag {
    font-size: 11px;
    letter-spacing: 2px;
  }

  .section-tag::before,
  .section-tag::after {
    width: 24px;
  }

  .cta-actions {
    flex-direction: column;
    align-items: center;
  }

  .btn-primary,
  .btn-outline {
    width: 100%;
    max-width: 320px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .page-section h2 {
    font-size: 1.8rem;
  }

  .page-section .section-description {
    font-size: 16px;
  }

  .overview-number {
    font-size: 32px;
  }

  .sector-card {
    padding: 28px 20px;
  }

  .service-card {
    padding: 24px 20px;
  }

  .cta-box h2 {
    font-size: 1.8rem;
  }

  .cta-box p {
    font-size: 16px;
  }
}