@charset "UTF-8";
/*
* Petroglob Consultancy CSS Stylesheet
* Corporate Identity: Sans-serif font, dark/black text over white background, pale blue tones.
*/
:root {
  --main-background-colour: #fffff4;
  --color-primary: #f1ce43; /* A middle/pale blue tone */
  --color-primary-light: #e0f2ff; /* Very pale blue for active/hover states and scrolled menu */
  --color-secondary: #c71b14;
  --color-text: #333333;
  --color-white: #ffffff;
  --header-height-initial: 120px;
  --header-height-scrolled: 60px;
  --font-base-size: 18px;
  --banner-height: 50vh;
  --highlight-white: rgba(255, 255, 255, .5);
  --highlight-cyan: rgba(128, 255, 255, .5);
  --highlight-pink: rgba(255, 128, 255, .5);
  --highlight-yellow: rgba(255, 255, 128, .5);
  --highlight-green: rgba(0, 255, 0, .5);
  --highlight-red: rgba(255, 64, 64, .5);
  --highlight-violet: rgba(64, 64, 128, .5);
  --highlight-blue: rgba(0, 0, 256, .5);
  --highlight-grey: rgba(128, 128, 128, .5);
}

.cyan.grid-item, .cyan.content-block {
  border-color: var(--highlight-cyan) !important;
}
.pink.grid-item, .pink.content-block {
  border-color: var(--highlight-pink) !important;
}
.yellow.grid-item, .yellow.content-block {
  border-color: var(--highlight-yellow) !important;
}
.green.grid-item, .green.content-block {
  border-color: var(--highlight-green) !important;
}
.red.grid-item, .red.content-block {
  border-color: var(--highlight-red) !important;
}
.violet.grid-item, .violet.content-block {
  border-color: var(--highlight-violet) !important;
}
.blue.grid-item, .blue.content-block {
  border-color: var(--highlight-blue) !important;
}
.grey.grid-item, .grey.content-block {
  border-color: var(--highlight-grey) !important;
}

/* Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: sans-serif;
  font-size: var(--font-base-size);
  color: var(--color-text);
  background-color: var(--main-background-colour);
  line-height: 1.6;
}

a {
  text-decoration: none;
  transition: color 0.3s;
  color: var(--color-text);
}
a:hover {
  color: var(--color-primary);
}

h1, h2, h3, h4 {
  margin-bottom: 0.5em;
  color: var(--color-secondary);
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  /*padding: 20px 0;*/
}

/* --- Header & Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: background-color 0.3s, height 0.3s, box-shadow 0.3s;
  height: var(--header-height-initial); /* Initial height */
  display: flex;
  align-items: center;
  background-color: rgba(0, 0, 0, 0.4);
}
.header img {
  height: calc(var(--header-height-initial) - 10px); /* Initial height */
  transition: height 0.3s, height 0.3s, box-shadow 0.3s;
}
.header .logo a {
  font-weight: bold;
  color: var(--color-white); /* White over transparent banner */
  transition: color 0.3s;
  top: 5px;
  position: relative;
}
.header.scrolled {
  height: var(--header-height-scrolled);
  background-color: var(--main-background-colour);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}
.header.scrolled .logo img {
  height: calc(var(--header-height-scrolled) - 10px);
}
.header.scrolled .logo a {
  color: var(--color-secondary); /* Black over pale blue */
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-menu {
  list-style: none;
  display: flex;
}

.nav-item {
  padding: 10px 15px;
  position: relative;
}

.nav-link {
  color: var(--color-white);
  transition: color 0.3s;
  filter: drop-shadow(4px 4px 2px black);
  font-weight: 700;
}

.bright .nav-menu .nav-link {
  color: var(--color-secondary);
  filter: drop-shadow(4px 4px 2px white);
}

.header.scrolled .nav-link {
  color: var(--color-secondary);
  filter: none;
}

.nav-link:hover, .header.scrolled .nav-link:hover {
  color: var(--color-primary);
}

/* Submenu for Services */
.submenu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--main-background-colour);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  list-style: none;
  min-width: 200px;
  padding: 10px 0;
  border-top: 2px solid var(--color-primary);
}

.nav-item:hover .submenu {
  display: block;
}

.submenu-item a {
  padding: 10px 20px;
  display: block;
  white-space: nowrap;
  color: var(--color-text);
}

.submenu-item a:hover {
  background-color: var(--color-secondary);
  color: var(--color-primary);
}

/* Menu Toggle Button (Hidden on Desktop) */
.menu-toggle {
  display: none; /* Hide by default */
  cursor: pointer;
  font-size: 2em;
  color: var(--color-secondary);
  background-color: var(--color-primary);
  border: 2px solid var(--color-secondary);
  border-radius: 5px;
  line-height: 1;
  z-index: 1100;
  padding: 5px;
}

.header.scrolled .menu-toggle {
  color: var(--color-secondary);
}

video.cover {
  display: none;
  position: absolute;
  min-width: 100%;
  min-height: 100%;
  object-fit: cover;
}
@media (min-width: 1001px) {
  video.cover {
    display: block;
  }
}

/* --- Mobile Menu Styles (Media Query) --- */
@media (max-width: 1000px) {
  /* Show Hamburger Icon */
  .menu-toggle {
    display: block;
  }
  /* Collapse Desktop Menu */
  .nav-menu {
    display: none; /* Hidden by default on mobile */
    position: absolute;
    top: var(--header-height-initial); /* Start below the header */
    left: 0;
    width: 100%;
    background-color: var(--color-primary); /* Dark background for mobile dropdown */
    flex-direction: column;
    text-align: center;
    padding: 10px 0;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
  }
  /* Adjust top position when scrolled */
  .header.scrolled .nav-menu {
    top: var(--header-height-scrolled);
    background-color: var(--color-primary); /* Keep dark blue regardless of scroll */
  }
  /* Show the menu when the .nav-open class is applied by JS */
  .nav-menu.nav-open {
    display: flex;
  }
  .nav-item {
    width: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  .nav-link,
  .header.scrolled .nav-link {
    color: var(--color-secondary); /* Ensure links are white over the blue background */
    padding: 15px 0;
    display: block;
    font-size: 1.1em;
    filter: none;
  }
  .nav-link:hover,
  .header.scrolled .nav-link:hover {
    background-color: var(--color-secondary); /* Ensure links are white over the blue background */
  }
  .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-secondary);
  }
  /* Submenu (Mobile: opens vertically below parent) */
  .submenu {
    position: static; /* Allows it to flow naturally */
    background-color: var(--color-primary);
    box-shadow: none;
    border-top: none;
    padding: 0;
  }
  .submenu-item a {
    padding: 10px 20px;
    font-size: 1em;
    color: var(--color-secondary); /* Lighter blue for submenu items */
  }
  .submenu-item a:hover {
    background-color: rgba(0, 0, 0, 0.1);
    color: var(--color-secondary);
  }
  /* Existing content block styles */
  .content-block {
    flex-flow: column;
    text-align: center;
  }
  .content-block-reverse {
    flex-flow: column;
  }
  .footer-content {
    flex-flow: column;
  }
}
/* --- Main Content Structure --- */
/* Utility class for padding-top to prevent content being hidden under the fixed header */
.main-content {
  /*  padding-top: var(--header-height-initial); */
}

/* Full Width Banner */
.full-width-banner {
  position: relative;
  width: 100%;
  height: var(--banner-height); /* Default height for most banners */
  background-color: var(--color-primary); /* Fallback color */
  background-size: cover;
  background-position: center;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  overflow: hidden;
  /*&.home-banner {
      justify-content: left;
  }*/
}
@media (max-width: 1024px) {
  .full-width-banner {
    justify-content: center;
  }
}

.banner-sliding-panel {
  height: var(--banner-height);
  position: relative;
  overflow: hidden;
}
.banner-sliding-panel .banner-sliding-container {
  position: absolute;
  top: 0%;
  left: 0;
  width: 100%;
}
.banner-sliding-panel .banner-sliding-container > * {
  height: var(--banner-height);
}

p.li {
  position: relative;
  text-align: left;
}
p.li::before {
  content: "↪";
  position: absolute;
  display: inline-block;
  color: var(--color-secondary);
  left: -1em;
}

.banner-overlay-text {
  max-width: 50%;
  z-index: 10;
  color: var(--color-white);
  background-color: rgba(0, 0, 0, 0.5);
  border-radius: 40px;
  text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
  padding: 20px;
  position: absolute;
  bottom: 30%;
}
@media (max-width: 1024px) {
  .banner-overlay-text {
    max-width: 80%;
  }
}

.banner-overlay-text h1 {
  font-size: 3em;
  color: var(--color-white);
  margin-bottom: 0.2em;
}
@media (max-width: 600px) {
  .banner-overlay-text h1 {
    font-size: 1.5em;
  }
}

.banner-overlay-text p {
  font-size: 1.2em;
  max-width: 700px;
  margin: 0 auto 20px;
}

/* Home Page Specific Banner (Higher) */
.home-banner {
  --banner-height: 75vh;
}

/* --- Content Blocks --- */
.content-section {
  padding: 60px 0;
  border-bottom: 1px solid #eeeeee;
}

.content-block {
  display: flex;
  align-items: flex-start;
  margin-bottom: 80px;
  gap: 50px;
  overflow: hidden;
  background-color: var(--color-white);
}
.content-block:not(.content-block-reverse) {
  box-shadow: -5px 0 9px rgba(0, 0, 0, 0.4);
  border-top-right-radius: 120px;
  border-top-left-radius: 5px;
  border-bottom-left-radius: 5px;
  border-left: solid 6px var(--highlight-white);
}
@media (max-width: 1000px) {
  .content-block:not(.content-block-reverse) {
    border-top-right-radius: 5px;
    border-bottom-right-radius: 120px;
    border-bottom-left-radius: 120px;
    border-left-width: 0px;
    border-top: solid 6px var(--highlight-white);
  }
  .content-block:not(.content-block-reverse) .content-text {
    text-align: left;
  }
}
.content-block.content-block-reverse {
  flex-direction: row-reverse;
  box-shadow: 5px 0 9px rgba(0, 0, 0, 0.4);
  border-top-left-radius: 120px;
  border-top-right-radius: 5px;
  border-bottom-right-radius: 5px;
  border-right: solid 6px var(--highlight-white);
}
.content-block.content-block-reverse .content-text {
  text-align: right;
}
@media (max-width: 1000px) {
  .content-block.content-block-reverse {
    flex-direction: column;
    border-top-left-radius: 5px;
    border-bottom-right-radius: 120px;
    border-bottom-left-radius: 120px;
    border-right-width: 0px;
    border-top: solid 6px var(--highlight-white);
  }
  .content-block.content-block-reverse .content-text {
    text-align: left;
  }
}
.content-block .content-text {
  flex: 1;
  padding: 1em 2em;
}
.content-block .content-image {
  flex: 1;
}
.content-block .content-image img {
  width: 100%;
  height: auto;
  display: block;
}
@media (max-width: 1000px) {
  .content-block .content-image {
    max-height: 400px;
    overflow-y: hidden;
    width: 100%;
  }
}
.content-block .content-contact {
  padding: 1em 4em;
  width: 100%;
}
.content-block .content-contact h2 {
  text-align: center;
}
.content-block:not(.content-block-reverse) .content-image img {
  border-bottom-left-radius: 120px;
}
@media (max-width: 1000px) {
  .content-block:not(.content-block-reverse) .content-image img {
    width: 100%;
    border-bottom-left-radius: 0px;
  }
}
.content-block.content-block-reverse .content-image img {
  border-bottom-right-radius: 120px;
}
@media (max-width: 1000px) {
  .content-block.content-block-reverse .content-image img {
    width: 100%;
    border-bottom-right-radius: 0px;
  }
}

.content-text h2 {
  color: var(--color-secondary);
  margin-bottom: 15px;
}

.grid-intro {
  text-align: center;
  font-size: 1.5em;
  margin: 0 auto 50px;
}

.button {
  display: inline-block;
  padding: 10px 25px;
  margin-top: 15px;
  background-color: var(--color-secondary);
  color: var(--color-white) !important;
  border: 2px solid var(--color-secondary);
  border-radius: 5px;
  text-transform: uppercase;
  font-weight: bold;
  letter-spacing: 1px;
  transition: background-color 0.3s, color 0.3s;
}

.button:hover {
  background-color: var(--color-primary);
  color: var(--color-secondary) !important;
}

/* Team Section */
.team-list {
  display: flex;
  gap: 30px;
  justify-content: space-around;
  flex-wrap: wrap;
  text-align: center;
}

.team-member {
  width: 300px;
  padding: 20px;
  border: 1px solid var(--color-primary-light);
  border-radius: 5px;
  transition: box-shadow 0.3s;
}

.team-member:hover {
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.team-photo {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background-color: var(--color-primary-light);
  margin: 0 auto 15px;
  border: 3px solid var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8em;
  overflow: hidden;
}
.team-photo img {
  width: 100%;
}

.team-member h4 {
  margin-bottom: 5px;
  color: var(--color-primary);
}

.team-member p {
  font-size: 0.9em;
  color: #666;
}

/* Process & Who We Serve Grid */
.grid {
  display: grid;
  gap: 30px;
  margin-top: 40px;
}
.grid.grid-4-columns {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-item {
  padding: 30px;
  border-radius: 6px;
  background-color: var(--color-white);
  box-shadow: 0 0 2px var(--color-primary-light);
  transition: transform 0.3s, box-shadow 0.3s;
  border-left: 6px solid var(--color-secondary);
}
.grid-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}
.grid-item h3 {
  color: var(--color-secondary);
  font-size: 1.2em;
  margin-bottom: 10px;
}
.grid-item .content-image img {
  border-top-right-radius: 0;
  border-bottom-left-radius: 30%;
  border-bottom-right-radius: 30%;
  margin-top: 30px;
  width: 100%;
}

/* Contact Page */
.contact-info-block {
  display: flex;
  justify-content: space-around;
  gap: 30px;
  text-align: center;
  padding: 40px 0;
}
@media (max-width: 1000px) {
  .contact-info-block {
    flex-flow: column;
  }
}

.contact-detail {
  flex: 1;
  padding: 20px;
  border: 1px solid var(--color-primary-light);
  border-radius: 5px;
}

.contact-detail h3 {
  color: var(--color-secondary);
  margin-bottom: 10px;
}

.social-links {
  text-align: center;
  padding: 40px 0;
}

.social-links a {
  display: inline-block;
  margin: 0 15px;
  font-size: 2em;
  color: var(--color-primary);
}

/* --- Footer --- */
/* Higher Blue Footer (Contact & Social) */
.main-footer {
  background-color: var(--color-primary);
  color: var(--color-secondary);
  padding: 40px 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 40px;
}

.footer-section {
  flex: 1;
}

.logo {
  align-content: center;
  text-align: center;
}
.logo img {
  width: 100%;
  max-width: 120px;
}

.footer-section h4 {
  color: var(--color-secondary);
  margin-bottom: 15px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  padding-bottom: 5px;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 8px;
}

.footer-section a {
  color: var(--color-secondary);
}

/*
    .footer-section a:hover {
        color: var(--color-primary-light);
    }
    */
.social-links-footer a {
  color: var(--color-secondary);
  margin-right: 15px;
  font-size: 1.5em;
}

/*
    .social-links-footer a:hover {
        color: var(--color-primary-light);
    }*/
/* Narrower White Footer (Copyright) */
.copyright-footer {
  background-color: var(--color-white);
  color: var(--color-text);
  padding: 15px 0;
  text-align: center;
  border-top: 1px solid #ddd;
  font-size: 0.9em;
}

/* Responsive Adjustments */
@media (max-width: 1000px) {
  .content-block {
    flex-direction: column;
    text-align: center;
  }
  .content-block-reverse {
    flex-direction: column; /* Overrides reverse for small screens */
  }
  .footer-content {
    flex-direction: column;
  }
}