/* =============================================
   Drilling Performance — Site Stylesheet
   Palette: dark #141b21 | accent #f44336 | white
   Fonts: Raleway (headings) · Oxygen (body)
   ============================================= */

/* ─── Custom Properties ─── */
:root {
  --bg-dark:    #141b21;
  --bg-darker:  #0e141a;
  --bg-light:   #f8f9fb;
  --accent:     #f44336;
  --accent-dk:  #c62828;
  --white:      #ffffff;
  --text:       #5b6166;
  --text-light: #94a3b8;
  --heading:    #272e33;
  --border:     rgba(255,255,255,0.08);
  --radius:     6px;
  --shadow:     0 4px 24px rgba(0,0,0,0.12);
  --shadow-lg:  0 8px 48px rgba(0,0,0,0.2);
  --header-h:   76px;
  --transition: all 0.25s ease;
  --font-head:  'Raleway', sans-serif;
  --font-body:  'Oxygen', sans-serif;
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg-light);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul { list-style: none; padding: 0; margin: 0; }
button { cursor: pointer; border: none; background: none; }
input, textarea { font-family: var(--font-body); }

/* ─── Typography ─── */
h1, h2, h3, h4, h5 {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--heading);
  line-height: 1.2;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: 1.2rem; }
h4 { font-size: 1rem; }
p  { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

/* ─── Utilities ─── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.section {
  padding: 6rem 0;
  /* `clip` (modern alternative to `hidden`) prevents hover-lift / animation overflow
   * from leaking past section bounds, but unlike `hidden` it doesn't trap accidental
   * horizontal scroll on touch devices when a child momentarily overflows. */
  overflow: clip;
  overflow-clip-margin: 1rem;
}
.dark-section { background: var(--bg-dark); }
.dark-section h1,
.dark-section h2,
.dark-section h3,
.dark-section h4 { color: var(--white); }
.dark-section p  { color: var(--text-light); }
.accent { color: var(--accent); }

/* Section headers */
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-header h2 {
  position: relative;
  display: inline-block;
  padding-bottom: 0.85rem;
}
.section-header h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 56px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
}
.section-header p { max-width: 600px; margin: 0.75rem auto 0; font-size: 1.05rem; }
.section-header.light h2 { color: var(--white); }
.section-header.light p  { color: var(--text-light); }
.section-label {
  display: inline-block;
  color: var(--accent);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 2rem;
  border-radius: var(--radius);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.95rem;
  transition: var(--transition);
}
.btn-primary { background: var(--accent); color: var(--white); }
.btn-primary:hover {
  background: var(--accent-dk);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.btn-outline {
  border: 2px solid rgba(255,255,255,0.6);
  color: var(--white);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--white);
}
.btn-full { width: 100%; justify-content: center; }

/* ─── Header ─── */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: transparent;
  transition: background 0.3s ease, box-shadow 0.3s ease;
  height: var(--header-h);
}
#site-header.scrolled {
  background: var(--bg-darker);
  box-shadow: 0 2px 16px rgba(0,0,0,0.35);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}
.logo img { height: 52px; width: auto; }

/* Nav */
#main-nav > ul {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.nav-link {
  color: rgba(255,255,255,0.85);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.88rem;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius);
  transition: var(--transition);
  white-space: nowrap;
}
.nav-link:hover,
.nav-link.active {
  color: var(--white);
  background: rgba(255,255,255,0.08);
}
.has-dropdown { position: relative; }
.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 200px;
  background: var(--bg-darker);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: var(--transition);
  box-shadow: var(--shadow-lg);
}
.has-dropdown:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown a {
  display: block;
  padding: 0.6rem 1.2rem;
  color: var(--text-light);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.86rem;
}
.dropdown a:hover { color: var(--accent); background: rgba(255,255,255,0.04); }

/* Hamburger */
#menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
#menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
#menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
#menu-toggle.open span:nth-child(2) { opacity: 0; }
#menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── Hero ─── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(14,20,26,0.90) 0%,
    rgba(20,27,33,0.72) 60%,
    rgba(244,67,54,0.10) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  padding-top: var(--header-h);
}
.hero-eyebrow {
  display: inline-block;
  color: var(--accent);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.hero h1 { color: var(--white); margin-bottom: 1.25rem; letter-spacing: -0.02em; }
.hero p  { color: rgba(255,255,255,0.8); font-size: 1.15rem; margin-bottom: 2rem; max-width: 560px; }
.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Scroll indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  cursor: pointer;
}
.hero-scroll-indicator span {
  display: block;
  width: 28px;
  height: 44px;
  border: 2px solid rgba(255,255,255,0.4);
  border-radius: 14px;
  position: relative;
}
.hero-scroll-indicator span::after {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: rgba(255,255,255,0.7);
  border-radius: 2px;
  animation: scroll-bounce 1.8s ease-in-out infinite;
}
@keyframes scroll-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
  80%       { transform: translateX(-50%) translateY(12px); opacity: 0; }
}

/* ─── Capabilities ─── */
.capabilities-section { background: var(--bg-light); }

.capability-featured {
  position: relative;
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
  border-radius: 14px;
  padding: 3rem;
  margin-bottom: 2.5rem;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
}
.capability-featured::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 320px; height: 100%;
  background: radial-gradient(circle at top right, rgba(244,67,54,0.22), transparent 70%);
  pointer-events: none;
}
.capability-featured::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 6px; height: 100%;
  background: var(--accent);
}
.capability-featured-head {
  display: flex;
  gap: 1.75rem;
  align-items: flex-start;
  margin-bottom: 2rem;
  position: relative;
  z-index: 1;
}
.capability-featured-icon {
  width: 84px; height: 84px;
  background: var(--accent);
  color: var(--white);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.4rem;
  flex-shrink: 0;
  box-shadow: 0 8px 24px rgba(244,67,54,0.4);
}
.capability-featured-intro { flex: 1; }
.capability-tag {
  display: inline-block;
  background: var(--accent);
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border-radius: 4px;
  margin-bottom: 0.75rem;
}
.capability-featured-head h3 {
  font-size: clamp(1.6rem, 2.8vw, 2.1rem);
  color: var(--white);
  margin-bottom: 0.7rem;
  letter-spacing: -0.01em;
}
.capability-featured-head p {
  color: var(--text-light);
  font-size: 1.05rem;
  margin: 0;
  max-width: 760px;
  line-height: 1.65;
}
.capability-feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.9rem 2rem;
  position: relative;
  z-index: 1;
}
.capability-feature-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.98rem;
}
.capability-feature-list li i { font-size: 1.05rem; flex-shrink: 0; }

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  align-items: stretch;
}
.capability-card {
  background: var(--white);
  border-radius: 10px;
  padding: 1.75rem 1.5rem;
  border: 1px solid rgba(0,0,0,0.06);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.capability-card-highlight {
  border-top: 3px solid var(--accent);
  background: linear-gradient(180deg, rgba(244,67,54,0.04) 0%, var(--white) 30%);
}
.capability-mini-tag {
  display: inline-block;
  background: rgba(244,67,54,0.12);
  color: var(--accent);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 3px;
  margin-bottom: 0.6rem;
  align-self: flex-start;
}
.capability-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.3s ease;
}
.capability-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.capability-card:hover::before { transform: scaleY(1); }
.capability-card h3 {
  color: var(--heading);
  margin-bottom: 1rem;
  font-size: 1.15rem;
}
.capability-card ul { display: flex; flex-direction: column; gap: 0.5rem; }
.capability-card li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.92rem;
  color: var(--text);
  line-height: 1.55;
}
.capability-card li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.6rem;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* ─── Services (legacy, .service-icon still reused) ─── */
.services-section { background: var(--bg-light); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}
.service-card {
  background: var(--white);
  border-radius: 10px;
  padding: 2rem 1.75rem;
  border: 1px solid rgba(0,0,0,0.06);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.3s ease;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.service-card:hover::before { transform: scaleY(1); }
.service-icon {
  width: 52px; height: 52px;
  background: rgba(244,67,54,0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--accent);
  margin-bottom: 1.25rem;
}
.service-card h3 { color: var(--heading); margin-bottom: 0.6rem; }
.service-card p  { font-size: 0.92rem; margin: 0; }

/* ─── About ─── */
.about-section { background: var(--bg-dark); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.about-text .section-label { margin-bottom: 0.5rem; }
.about-text h2 { color: var(--white); margin-bottom: 1.25rem; }
.why-grid { display: flex; flex-direction: column; gap: 1rem; margin-top: 2rem; }
.why-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1rem;
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.why-card > i { font-size: 1.4rem; margin-top: 2px; flex-shrink: 0; }
.why-card h4 { color: var(--white); margin-bottom: 0.25rem; }
.why-card p  { margin: 0; font-size: 0.9rem; }
.about-visual { position: relative; }
.about-img {
  width: 100%;
  border-radius: 12px;
  object-fit: cover;
  min-height: 380px;
  max-height: 480px;
}
.about-badge {
  position: absolute;
  bottom: -1.5rem;
  left: -1.5rem;
  background: var(--accent);
  color: var(--white);
  padding: 1.25rem 1.5rem;
  border-radius: 10px;
  text-align: center;
  box-shadow: var(--shadow);
}
.badge-num {
  display: block;
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
}
.badge-txt {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0.9;
}

/* ─── History ─── */
.history-section { background: var(--white); }
.history-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.history-text .section-label { margin-bottom: 0.5rem; }
.history-text h2 { margin-bottom: 1.25rem; }
.mv-cards { display: flex; flex-direction: column; gap: 1.5rem; }
.mv-card {
  padding: 1.75rem;
  background: var(--bg-light);
  border-radius: 10px;
  border-left: 4px solid var(--accent);
}
.mv-icon {
  width: 44px; height: 44px;
  background: rgba(244,67,54,0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.mv-card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }

/* ─── Stats ─── */
.stats-section { background: var(--accent); padding: 3.5rem 0; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}
.stat { display: flex; flex-direction: column; align-items: center; gap: 0.25rem; }
.stat-count { display: flex; align-items: baseline; justify-content: center; }
.stat-num {
  font-family: var(--font-head);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}
.stat-suffix {
  font-family: var(--font-head);
  font-size: 1.8rem;
  font-weight: 800;
  color: rgba(255,255,255,0.75);
  line-height: 1;
}
.stat-label {
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.75);
  margin-top: 0.25rem;
}

/* ─── Safety ─── */
.safety-section { background: var(--bg-dark); }
.safety-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}
.safety-card {
  padding: 2rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: var(--transition);
}
.safety-card:hover { background: rgba(255,255,255,0.07); transform: translateY(-3px); }
.safety-card-icon {
  width: 48px; height: 48px;
  background: rgba(244,67,54,0.15);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--accent);
  margin-bottom: 1rem;
}
.safety-num {
  font-family: var(--font-head);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.4;
  line-height: 1;
  margin-bottom: 0.6rem;
}
.safety-card h3 { font-size: 1.05rem; color: var(--white); margin-bottom: 0.6rem; }
.safety-card p  { font-size: 0.9rem; margin: 0; }

/* ─── Ethics ─── */
.ethics-section { background: var(--bg-light); }
.ethics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}
.ethics-card {
  padding: 2.25rem;
  background: var(--white);
  border-radius: 10px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: var(--transition);
}
.ethics-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.ethics-card > i   { margin-bottom: 1.25rem; }
.ethics-card h3    { margin-bottom: 0.75rem; }
.ethics-card p     { font-size: 0.92rem; margin: 0; }

/* ─── Innovation ─── */
.innovation-section { background: var(--bg-dark); }
.innovation-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.innovation-text .section-label { margin-bottom: 0.5rem; }
.innovation-text h2 { color: var(--white); margin-bottom: 1.25rem; }
.check-list { margin-top: 1.5rem; display: flex; flex-direction: column; gap: 0.7rem; }
.check-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-light);
  font-size: 0.95rem;
}
.check-list li i { font-size: 1rem; flex-shrink: 0; }
.inno-img {
  width: 100%;
  border-radius: 12px;
  object-fit: cover;
  min-height: 360px;
  max-height: 460px;
}

/* ─── Joint Ventures ─── */
.joint-section { background: var(--white); }
.joint-intro {
  max-width: 760px;
  margin: 0 auto 3rem;
  text-align: center;
  font-size: 1rem;
  color: var(--text);
}
.joint-intro p { margin: 0; }

/* Partners logo carousel — JS-driven (rAF) for smoothness + drag */
.partners-carousel {
  position: relative;
  overflow: hidden;
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
  touch-action: pan-y;        /* let vertical scroll through, capture horizontal drag */
  /* Promote whole carousel to its own compositor layer so the rAF transform on the
   * inner track never triggers a parent-level repaint. */
  transform: translateZ(0);
  /* Soft fade on the edges */
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 6%, #000 94%, transparent 100%);
          mask-image: linear-gradient(90deg, transparent 0%, #000 6%, #000 94%, transparent 100%);
}
.partners-carousel.is-grabbing { cursor: grabbing; }
.partners-track {
  display: flex;
  align-items: stretch;
  gap: 1.25rem;
  width: max-content;
  /* GPU-promoted layer — translate3d in JS lives on its own compositor layer */
  will-change: transform;
  transform: translate3d(0, 0, 0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  perspective: 1000px;
  /* Sub-pixel-stable rendering on Linux/Wayland fractional-scale displays */
  transform-style: preserve-3d;
}

/* Accessibility: stop motion if the user prefers it (JS also short-circuits) */
@media (prefers-reduced-motion: reduce) {
  .partners-carousel { cursor: default; }
  .partners-track {
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
    transform: none !important;
  }
  .partners-track > .partner-card { flex: 1 1 200px; max-width: 240px; }
}

.partner-card {
  flex: 0 0 220px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
  padding: 1.5rem 1.25rem;
  background: var(--bg-light);
  border: 1px solid rgba(0,0,0,0.07);
  border-radius: 10px;
  text-decoration: none;
  cursor: pointer;
  /* Explicit transition list (don't transition transform during the rAF-driven track move) */
  transition: box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.25s ease-out;
  /* Card stays on its own GPU layer for buttery hover lift */
  will-change: transform;
  transform: translate3d(0, 0, 0);
  backface-visibility: hidden;
}
.partner-card:hover {
  transform: translate3d(0, -4px, 0);
  box-shadow: var(--shadow);
  border-color: var(--accent);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.25s ease-out;
}
.partner-card.dark-card { background: var(--bg-dark); border-color: var(--border); }
.partner-card.dark-card .partner-name { color: var(--text-light); }

/* Logo color-adaptation:
 * Light cards use mix-blend-mode: multiply so dark/black logos blend cleanly into the
 * off-white background and any white "halo" disappears. Dark cards use screen-mode
 * for white-on-transparent logos. The data-invert opt-in flips polarity per logo for
 * partners whose only available artwork is the wrong colour (Technogenia/TCO/Innovar
 * ship white-only artwork — invert(1) gives us a clean dark logo on the light card). */
.partner-card .partner-logo {
  mix-blend-mode: multiply;
  opacity: 0;
  animation: logo-fade-in 0.4s ease-out 0.1s forwards;
}
.partner-card.dark-card .partner-logo { mix-blend-mode: screen; }
.partner-card .partner-logo[data-invert="true"] { filter: invert(1) hue-rotate(180deg); mix-blend-mode: normal; }
.partner-card.dark-card .partner-logo[data-invert="true"] { filter: invert(1) brightness(2); mix-blend-mode: normal; }

@keyframes logo-fade-in {
  from { opacity: 0; transform: scale(0.96); }
  to   { opacity: 1; transform: scale(1); }
}
.partner-logo-wrap {
  width: 100%;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.partner-logo {
  max-width: 100%;
  max-height: 64px;
  width: auto;
  height: auto;
  object-fit: contain;
}
.partner-logo-text {
  flex-direction: column;
  gap: 0.4rem;
}
.partner-logo-text i  { font-size: 2rem; }
.partner-logo-text span {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--heading);
  letter-spacing: -0.01em;
}
.partner-name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text);
  text-align: center;
}
.partner-text-fallback {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1rem;
  color: var(--heading);
  text-align: center;
  letter-spacing: -0.01em;
}

/* ─── Contact ─── */
.contact-section { background: var(--bg-dark); }
.contact-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 4rem;
  align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 1.75rem; }
.contact-item { display: flex; gap: 1.1rem; align-items: flex-start; }
.contact-item > i { font-size: 1.2rem; margin-top: 2px; flex-shrink: 0; }
.contact-item h4 {
  color: var(--white);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.25rem;
}
.contact-item a, .contact-item span { color: var(--text-light); font-size: 0.95rem; }
.contact-item a:hover { color: var(--accent); }

/* Contact form */
.contact-form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label {
  color: var(--text-light);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.form-group input,
.form-group textarea {
  padding: 0.85rem 1rem;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--white);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.25); }
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  background: rgba(255,255,255,0.08);
  box-shadow: 0 0 0 3px rgba(244,67,54,0.18);
}
.form-group textarea { resize: vertical; }
.form-message {
  font-size: 0.9rem;
  text-align: center;
  padding: 0.6rem;
  border-radius: var(--radius);
  min-height: 1.5rem;
}
.form-message.success { background: rgba(76,175,80,0.15); color: #81c784; }
.form-message.error   { background: rgba(244,67,54,0.15); color: #ef9a9a; }

/* ─── Footer ─── */
#site-footer { background: var(--bg-darker); padding-top: 4rem; }
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border);
}
.footer-brand img { margin-bottom: 1rem; }
.footer-brand p { color: var(--text-light); font-size: 0.92rem; max-width: 320px; }
.footer-contact-snippets {
  margin-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-size: 0.88rem;
  color: var(--text-light);
}
.footer-contact-snippets span {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.footer-col h4 {
  color: var(--white);
  font-family: var(--font-head);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem;
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col a { color: var(--text-light); font-size: 0.9rem; transition: var(--transition); }
.footer-col a:hover { color: var(--accent); }
.footer-col li { color: var(--text-light); font-size: 0.9rem; }
.footer-bottom {
  padding: 1.25rem 0;
  text-align: center;
}
.footer-bottom p { color: rgba(255,255,255,0.3); font-size: 0.85rem; margin: 0; }

/* ─── Back to top ─── */
#back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background: var(--accent);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: var(--transition);
  z-index: 999;
}
#back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
#back-to-top:hover   { background: var(--accent-dk); transform: translateY(-2px); }

/* ─── Scroll-reveal ─── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .about-grid        { grid-template-columns: 1fr; }
  .about-visual      { display: none; }
  .innovation-layout { grid-template-columns: 1fr; }
  .innovation-visual { display: none; }
  .partner-card      { flex-basis: 200px; }
  .contact-layout    { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; }
  .section { padding: 4rem 0; }

  /* Mobile nav */
  #menu-toggle { display: flex; z-index: 1100; }
  #main-nav {
    position: fixed;
    inset: 0;
    background: var(--bg-darker);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transform: translateX(100%);
    transition: transform 0.35s ease;
    z-index: 1050;
    padding: 5rem 2rem 2rem;
  }
  #main-nav.open { transform: translateX(0); }
  #main-nav > ul {
    flex-direction: column;
    width: 100%;
    gap: 0.25rem;
  }
  .nav-link {
    display: block;
    width: 100%;
    text-align: center;
    padding: 0.85rem 1rem;
    font-size: 1rem;
  }
  .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: rgba(255,255,255,0.04);
    box-shadow: none;
    border: none;
    padding: 0.25rem 0;
    margin-top: 0.25rem;
    display: none;
  }

  .history-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .stats-grid     { grid-template-columns: repeat(2, 1fr); }
  .partner-card   { flex-basis: 180px; }
  .form-row       { grid-template-columns: 1fr; }
  .footer-inner   { grid-template-columns: 1fr; gap: 2rem; }
}

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

@media (max-width: 768px) {
  .capability-featured       { padding: 2rem 1.5rem; }
  .capability-featured-head  { flex-direction: column; gap: 1.25rem; }
  .capability-feature-list   { grid-template-columns: 1fr; }
  .capabilities-grid         { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-cta      { flex-direction: column; }
  .stats-grid    { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
  .services-grid { grid-template-columns: 1fr; }
}

/* ═════════════════════════════════════════════════
   UX & i18n / RTL / Lang Switcher / WhatsApp / Credits
   ═════════════════════════════════════════════════ */

/* Skip link (a11y) */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--accent);
  color: var(--white);
  padding: 0.75rem 1.25rem;
  font-family: var(--font-head);
  font-weight: 700;
  z-index: 9999;
  transition: top 0.2s ease;
  border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus { top: 0; outline: 2px solid var(--white); outline-offset: 2px; }

/* Visible focus ring for all keyboard users */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Honeypot — invisible to humans, harvested by bots */
.hp-field {
  position: absolute !important;
  left: -10000px !important;
  width: 1px; height: 1px;
  opacity: 0; pointer-events: none;
}

/* Hero trust badges */
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.hero-trust-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.85);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.88rem;
}
.hero-trust-item i { color: var(--accent); font-size: 0.95rem; }

/* Nav primary CTA */
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--accent);
  color: var(--white) !important;
  padding: 0.55rem 1.1rem !important;
  border-radius: var(--radius);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  margin-left: 0.5rem;
  transition: var(--transition);
}
.nav-cta:hover { background: var(--accent-dk); transform: translateY(-1px); }

/* Language toggle */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-left: 0.5rem;
  padding: 0.5rem 0.85rem;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius);
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
}
.lang-toggle:hover { background: rgba(255,255,255,0.16); border-color: rgba(255,255,255,0.3); }
.lang-toggle i { font-size: 0.85rem; opacity: 0.85; }

/* WhatsApp floating button */
.wa-float {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  width: 54px;
  height: 54px;
  background: #25D366;
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 6px 24px rgba(37,211,102,0.45);
  z-index: 998;
  transition: var(--transition);
  animation: wa-pulse 2.4s infinite;
}
.wa-float:hover { transform: translateY(-3px) scale(1.05); box-shadow: 0 10px 28px rgba(37,211,102,0.55); }
@keyframes wa-pulse {
  0%   { box-shadow: 0 6px 24px rgba(37,211,102,0.45), 0 0 0 0 rgba(37,211,102,0.5); }
  70%  { box-shadow: 0 6px 24px rgba(37,211,102,0.45), 0 0 0 14px rgba(37,211,102,0); }
  100% { box-shadow: 0 6px 24px rgba(37,211,102,0.45), 0 0 0 0 rgba(37,211,102,0); }
}

/* Footer credit */
.footer-bottom p {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.6rem;
}
.footer-credit { display: inline-flex; align-items: center; gap: 0.4rem; }
.footer-credit-text { color: rgba(255,255,255,0.18); }
.footer-credit-link {
  color: rgba(255,255,255,0.38) !important;
  font-size: 0.82rem;
  transition: var(--transition);
}
.footer-credit-link:hover { color: var(--accent) !important; }
.footer-credit-link i { color: var(--accent); font-size: 0.78rem; }

/* ═════════════════════════════════════════════════
   Arabic / RTL support
   ═════════════════════════════════════════════════ */
html[dir="rtl"] {
  font-family: 'Cairo', 'Oxygen', 'Segoe UI', Tahoma, sans-serif;
  letter-spacing: 0;          /* Cairo doesn't need additional tracking */
  line-height: 1.75;          /* Arabic glyphs sit lower; more breathing room helps reading */
}
html[dir="rtl"] body { line-height: 1.85; }
html[dir="rtl"] p,
html[dir="rtl"] li { line-height: 1.95; }
html[dir="rtl"] h1,
html[dir="rtl"] h2,
html[dir="rtl"] h3,
html[dir="rtl"] h4,
html[dir="rtl"] h5,
html[dir="rtl"] .nav-link,
html[dir="rtl"] .btn,
html[dir="rtl"] .section-label,
html[dir="rtl"] .stat-num,
html[dir="rtl"] .stat-label,
html[dir="rtl"] .badge-num,
html[dir="rtl"] .capability-tag,
html[dir="rtl"] .capability-mini-tag,
html[dir="rtl"] .hero-eyebrow {
  font-family: 'Cairo', 'Raleway', sans-serif;
  letter-spacing: 0;
}
html[dir="rtl"] h1 { line-height: 1.45; }
html[dir="rtl"] h2 { line-height: 1.5; }
html[dir="rtl"] h3 { line-height: 1.55; }

/* Numerals stay LTR so "+20" reads correctly inside Arabic text */
html[dir="rtl"] .stat-count,
html[dir="rtl"] .badge-num,
html[dir="rtl"] .footer-contact-snippets a[href^="tel:"] { direction: ltr; unicode-bidi: isolate; }

/* Mirror layout-direction-sensitive items */
html[dir="rtl"] .hero-content { text-align: right; }
html[dir="rtl"] .section-header { text-align: center; }
html[dir="rtl"] .nav-cta,
html[dir="rtl"] .lang-toggle { margin-left: 0; margin-right: 0.5rem; }
html[dir="rtl"] .why-card,
html[dir="rtl"] .contact-item,
html[dir="rtl"] .footer-contact-snippets span { flex-direction: row-reverse; text-align: right; }
html[dir="rtl"] .why-card div,
html[dir="rtl"] .contact-item div { text-align: right; }
html[dir="rtl"] .capability-card li { padding-left: 0; padding-right: 1.1rem; }
html[dir="rtl"] .capability-card li::before { left: auto; right: 0; }
html[dir="rtl"] .capability-card-highlight { border-top-color: var(--accent); }
html[dir="rtl"] .service-card::before,
html[dir="rtl"] .capability-card::before { left: auto; right: 0; }
html[dir="rtl"] .mv-card { border-left: none; border-right: 4px solid var(--accent); }
html[dir="rtl"] .capability-featured::after { left: auto; right: 0; }
html[dir="rtl"] .capability-featured::before { left: 0; right: auto; background: radial-gradient(circle at top left, rgba(244,67,54,0.22), transparent 70%); }
html[dir="rtl"] .about-badge { left: auto; right: -1.5rem; }
html[dir="rtl"] .wa-float { left: auto; right: 2rem; }
html[dir="rtl"] #back-to-top { right: auto; left: 2rem; }
html[dir="rtl"] .skip-link { left: auto; right: 0; border-radius: 0 0 0 var(--radius); }
html[dir="rtl"] .check-list li,
html[dir="rtl"] .capability-feature-list li,
html[dir="rtl"] .hero-trust-item { flex-direction: row-reverse; }

/* Mobile responsive — language toggle stays visible in mobile bar */
@media (max-width: 768px) {
  .lang-toggle  { margin-left: auto; margin-right: 0.5rem; }
  html[dir="rtl"] .lang-toggle { margin-right: auto; margin-left: 0.5rem; }
  .nav-cta-li   { width: 100%; padding-top: 0.75rem; }
  .nav-cta      { width: 100%; justify-content: center; padding: 0.85rem 1rem !important; font-size: 1rem; margin: 0; }
  .wa-float     { bottom: 1.25rem; left: 1.25rem; width: 48px; height: 48px; font-size: 1.4rem; }
  html[dir="rtl"] .wa-float { left: auto; right: 1.25rem; }
  .hero-trust   { gap: 1rem; }
}