/*  */

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

html {
  font-size: 62.5%;
  overflow-x: hidden;
  scroll-behavior: smooth;
  scrollbar-width: thin;
}

body {
  font-family: "Nunito", sans-serif;
  color: #555;
  line-height: 1;
  font-weight: 500;
}

/* -------------------
    GENERIC CLASSES
   ------------------- */

.container {
  max-width: 120rem;
  padding: 0 2.4rem;
  margin: 0 auto;
}

.grid {
  display: grid;
  row-gap: 6.2rem;
  column-gap: 4rem;
}

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

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

.grid--4-cols {
  grid-template-columns: repeat(4, 1fr);
}

.grid--6-cols {
  grid-template-columns: repeat(6, 1fr);
  row-gap: 3.2rem;
  column-gap: 3.2rem;
}

.grid--footer {
  grid-template-columns: 1.6fr 0.9fr 0.5fr 1.5fr;
}

/* -------------------
    HELPER CLASSES
   ------------------- */

.center-text {
  text-align: center;
}

.about-content--bp {
  font-size: 1.8rem;
  line-height: 1.2;
  text-align: justify;
  padding: 3.2rem;
}

/* -------------------
    HEADINGS
   ------------------- */

.heading-primary,
.heading-secondary,
.heading-tertiary {
  color: #333;
  font-weight: 700;
  /* letter-spacing: -0.5px; */
}

.heading-primary {
  font-size: 4rem;
  line-height: 1.05;
  margin-bottom: 3.2rem;
}

.heading-secondary {
  font-size: 4.4rem;
  line-height: 1.2;
  margin-bottom: 4.8rem;
}

.heading-tertiary {
  font-size: 3rem;
  line-height: 1.2;
  margin-bottom: 3.2rem;
}

.subheading {
  font-size: 1.6rem;
  letter-spacing: 0.75px;
  font-weight: 500;
  text-transform: uppercase;
  margin-bottom: 1.6rem;

  display: block;
}

/* -------------------
    BUTTONS
   ------------------- */

.btn,
.btn:link,
.btn:visited {
  color: #fff;
  background-color: rgba(60, 180, 255, 0.8);
  text-decoration: none;
  font-size: 2rem;
  font-weight: 600;
  padding: 1.6rem 3.2rem;
  border-radius: 9px;

  border: none;
  cursor: pointer;
  font-family: inherit;

  display: inline-block;
}

.btn--form {
  padding: 1.2rem;
}

.btn--form:hover {
  background-color: #339af0;
}

/* -------------------
    HEADER
   ------------------- */

.header {
  position: absolute;
  width: 100%;
  top: 0;
  left: 0;
  height: 8rem;
  padding: 0 4.8rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: transparent;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
  z-index: 1000;
}

.logo {
  height: 4.8rem;
  transition: filter 0.3s ease;
}

.main-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  height: 2.4rem;

  display: flex;
  gap: 4.8rem;
  align-items: center;
  justify-content: center;
}

.main-nav-link:link,
.main-nav-link:visited {
  color: #333;
  text-decoration: none;
  font-weight: 600;
  font-size: 2.1rem;

  display: inline-block;
}

.header.scrolled {
  position: fixed;
  background-color: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.nav-item {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: -1rem;
  margin-top: 2.8rem;
  background-color: #fff;
  padding: 1rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  border-radius: 4px;

  opacity: 0;
  overflow: hidden;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease 0.1s;
  z-index: 1000;
  pointer-events: none;
}

.nav-item:hover .dropdown-menu,
.dropdown-menu:hover {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
  transition-delay: 0s;
}

.nav-item:not(:hover) .dropdown-menu {
  transition-delay: 0.2s;
}

.dropdown-menu a {
  display: block;
  padding: 1.2rem 2rem;
  text-decoration: none;
  color: #333;
  font-size: 1.8rem;
  white-space: nowrap;
  transition: background-color 0.2s;
}

.dropdown-menu a:hover {
  background-color: #f5f5f5;
  border-radius: 4px;
}

/* -------------------
    HERO
   ------------------- */

.section-hero {
  padding: 4.8rem 0;
}

.hero {
  max-width: 125rem;
  margin: 0 auto;
  padding: 0 3.2rem;

  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 9.6rem;
  align-items: center;
}

.hero-description {
  font-size: 2rem;
  line-height: 1.6;
  margin-bottom: 3.6rem;
}

.hero-img {
  width: 100%;
}

/* -------------------
    SERVICES
   ------------------- */

.section-services {
  padding: 3.2rem 0 9.6rem 0;
}

.service {
  padding-top: 5.2rem;
  box-shadow: 0 2.4rem 4.8rem rgba(0, 0, 0, 0.075);
  border-radius: 1.1rem;
  overflow: hidden;

  display: flex;
  flex-direction: column;
  align-items: center;
}

.service-img {
  height: 12.8rem;
  width: 12.8rem;
}

.service-content {
  padding: 4.3rem;
  padding-top: 3.2rem;
  padding-bottom: 5.2rem;
}

.service-heading {
  color: #333;
  font-size: 2.4rem;
  font-weight: 600;
  margin-bottom: 3.2rem;
  text-align: center;
}

.service-description {
  font-size: 1.8rem;
  line-height: 1.2;
  text-align: center;
}

/* -------------------
    ABOUT
   ------------------- */

.section-about {
  padding: 4.8rem 0;
}

.about-content {
  font-size: 1.8rem;
  line-height: 1.2;
  text-align: justify;
  padding: 3.2rem;
  padding-bottom: 0;
}

.about-img {
  padding-right: 3.2rem;
}

.img {
  width: 100%;
}

.grid-align {
  align-items: center;
}

/* -------------------
    SERVES
   ------------------- */

.section-who-we-serve {
  padding: 4.8rem 0;
}

.industries {
  row-gap: 4.2rem;
}

.industry {
  border: 0.5px solid #ddd;
  border-radius: 1.1rem;
  padding: 1.2rem;

  display: grid;
  align-items: center;
  justify-items: center;
}

.industry-icon {
  width: 60px;
  height: 60px;
  margin-top: 1.2rem;
}

.industry-name {
  font-size: 1.8rem;
  font-weight: 600;
  margin: 1.8rem 0 1.2rem 0;
}

/* -------------------
    CONTACT FORM
   ------------------- */

.section-contact-us {
  padding: 9.6rem;
}

.contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 3.2rem;
  align-items: center;
}

.contact-img {
  width: 100%;
}

.contact-text-box {
  padding: 6.4rem;
  box-shadow: 0 2.4rem 4.8rem rgba(0, 0, 0, 0.15);
  border-radius: 1.1rem;
}

.contact .heading-secondary {
  font-size: 3.6rem;
}

.contact-img-box {
  padding: 1.2rem;
  padding-left: 2.4rem;
}

.contact-form {
  display: grid;
  row-gap: 2.4rem;
}

.contact-form input,
.contact-form select {
  color: #333;
  background-color: #f5f6f8;
  width: 100%;
  height: 4.8rem;
  padding: 1.2rem;
  font-size: 1.8rem;
  font-family: inherit;
  border: none;
  border-radius: 6px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

textarea {
  color: #333;
  background-color: #f5f6f8;
  padding: 1.2rem;
  font-size: 1.8rem;
  font-family: inherit;
  border: none;
  border-radius: 6px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
  resize: vertical;
  width: 100%;
  height: 15rem;
}

.submit-btn {
  display: flex;
  justify-content: center;
}

/* -------------------
    FOOTER
   ------------------- */

.footer {
  padding: 9.6rem 0;
  border-top: 1px solid #eee;
}

.logo-col {
  display: flex;
  flex-direction: column;
}

.footer-logo {
  display: block;
  margin-bottom: 1.8rem;
}

.footer-company-description {
  font-size: 1.6rem;
  line-height: 1.2;
  text-align: justify;
  margin: 0 2.4rem 3.2rem 0;
}

.social-links {
  list-style: none;

  display: flex;
  gap: 2.4rem;
}

.footer-social-icon {
  height: 2.4rem;
  width: 2.4rem;
}

.footer-heading {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 4rem;
}

.footer-nav {
  list-style: none;

  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.footer-link:link,
.footer-link:visited {
  color: #767676;
  text-decoration: none;
  font-size: 1.6rem;

  transition: all 0.3s;
}

.footer-link:hover,
.footer-link:active {
  color: #333;
}

.contacts {
  font-size: 1.6rem;
  line-height: 1.6;
  font-style: normal;
}

.footer-flex {
  margin-bottom: 1.2rem;

  display: flex;
}

.contact-icon {
  height: 1.8rem;
  width: 1.8rem;

  margin-top: 0.5rem;
  margin-right: 0.5rem;
}

/* -------------------
    SUBMISSION MESSAGES
   ------------------- */

.error-message {
  color: #e74c3c;
  font-size: 1.4rem;
  margin-top: 0.5rem;
}

.notification-message {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  color: white;
  padding: 1.5rem 2.5rem;
  border-radius: 6px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  display: none;
  z-index: 1000;
}

.notification-message p {
  margin-bottom: 1rem;
  font-size: 1.6rem;
  line-height: 1.2;
}

.notification-message.processing {
  background-color: #2196f3;
}

.notification-message.success {
  background-color: #4caf50;
}

.notification-message.error {
  background-color: #f44336;
}

.progress-bar {
  height: 5px;
  background-color: rgba(255, 255, 255, 0.3);
  border-radius: 3px;
  overflow: hidden;
}

.progress {
  height: 100%;
  width: 0%;
  background-color: white;
  transition: width 8s linear;
}

/* -------------------
    HAMBURGER MENU
   ------------------- */

.menu-icon {
  height: 4.2rem;
  width: 4.2rem;

  display: none;
  cursor: pointer;
  color: #333;
}

.mobile-nav-overlay {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 100vw;
  height: 100vh;
  overflow-y: scroll;
  background-color: #fff;
  z-index: 1000;
  padding: 2.4rem;
  transition: right 0.3s ease-in-out;
}

.mobile-nav-overlay.active {
  right: 0;
  width: 100%;
}

.mobile-nav-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.icon-btn {
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-nav-list {
  list-style: none;
  margin-top: 3.6rem;
  padding: 0;
}

.mobile-item {
  padding: 3.2rem 2.4rem;
  font-size: 2.4rem;
  font-weight: 500;
  color: #1a1a1a;
  border-bottom: 1px solid #eee;
  position: relative;
}

.mobile-item a {
  text-decoration: none;
  color: #1a1a1a;
}

.arrow {
  float: right;
  font-size: 2.4rem;
}

.submenu {
  list-style: none;
  display: none;
  padding-left: 1.6rem;
  margin-top: 1rem;
}

.submenu li {
  padding: 1.6rem 0;
}

.mobile-item.active .submenu {
  display: block;
}