:root {
  --header-height: 3.5rem;
  --black-color: #163446;
  --black-color-light: #1e4a63;
  --black-color-lighten: #285b7c;
  --white-color: #fff;
  --body-color: hsl(220, 100%, 97%);
  --body-font: "Montserrat", sans-serif;
  --normal-font-size: .938rem;
  --font-regular: 400;
  --font-semi-bold: 600;
  --z-tooltip: 10;
  --z-fixed: 1009;
  --primary-color: #163446;
  --secondary-color: #fe7a36;
  --text-color: #ffffff;
  --light-color: #f9f9f9;
  --bodyBg: #0f2a3d;
  --formBg: rgba(255, 255, 255, 0.1);
  --primaryLight: #ff9d5c;
  --accentColor: #4fc3f7;
  --paraColor: rgba(255, 255, 255, 0.8);
  --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.1);
  --shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
  --borderRadius: 12px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
  text-decoration: none;
  list-style: none;
}

html, body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

body {
  font-family: 'Poppins', sans-serif;
  color: var(--textColor);
  background: var(--bodyBg);
  line-height: 1.6;
  padding-top: 80px;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(79, 195, 247, 0.1) 0%, transparent 20%),
    radial-gradient(circle at 90% 80%, rgba(254, 122, 54, 0.1) 0%, transparent 20%);
}

/* ========== HEADER & NAVIGATION ========== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--black-color);
  box-shadow: 0 2px 16px hsla(220, 32%, 8%, .3);
  z-index: var(--z-fixed);
  height: 80px;
}

.nav {
  height: var(--header-height);
}

.nav__data {
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 1.5rem;
}

.nav__logo {
  display: inline-flex;
  align-items: center;
}

.nav__logo img {
  height: auto;
  width: 90px;
}

.nav__toggle {
  position: relative;
  width: 32px;
  height: 32px;
  cursor: pointer;
}

.nav__burger, 
.nav__close {
  position: absolute;
  width: max-content;
  height: max-content;
  inset: 0;
  margin: auto;
  font-size: 1.25rem;
  color: var(--white-color);
  transition: opacity .1s, transform .4s;
}

.nav__close {
  opacity: 0;
}

/* Mobile menu styles */
@media screen and (max-width: 1118px) {
  .nav__menu {
    position: fixed;
    left: 0;
    top: 80px;
    width: 100%;
    height: calc(100vh - 80px);
    overflow-y: auto;
    background-color: var(--black-color);
    padding: 1rem 0;
    transform: translateX(-100%);
    transition: transform 0.3s ease-in-out;
    z-index: var(--z-fixed);
  }

  .nav__menu.show-menu {
    transform: translateX(0);
  }

  .nav__list {
    padding: 0;
  }

  .nav__link {
    display: block;
    padding: 1.2rem 1.5rem;
    color: var(--white-color);
    font-weight: var(--font-semi-bold);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
  }

  .dropdown__item {
    position: relative;
  }

  .dropdown__trigger {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    width: 100%;
  }

  .dropdown__menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.2s ease;
    background-color: var(--black-color-lighten);
    border-left: 3px solid var(--secondary-color);
    padding-left: 15px;
    margin-left: 10px;
  }

  .dropdown-open .dropdown__menu {
    max-height: 1000px;
  }

  .dropdown__link {
    padding: 1rem 1.5rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .dropdown__link.has-submenu::after {
    content: '+';
    margin-left: 10px;
    transition: transform 0.3s ease;
  }

  .dropdown-open .dropdown__link.has-submenu::after {
    content: '-';
  }

  .dropdown__sublink {
    padding: 0.8rem 1.5rem 0.8rem 2.5rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 400;
    font-size: 0.9rem;
  }

  .dropdown__arrow,
  .dropdown__add {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
  }

  .dropdown-open .dropdown__arrow {
    transform: rotate(180deg);
    color: var(--secondary-color);
  }

  .dropdown__submenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.2s ease;
    margin-left: -15px;
    padding-left: 15px;
  }

  .subdropdown-open .dropdown__submenu {
    max-height: 1000px;
  }

  .subdropdown-open .dropdown__add {
    transform: rotate(45deg);
    color: var(--secondary-color);
  }

  .show-icon .nav__burger {
    opacity: 0;
    transform: rotate(90deg);
  }
  
  .show-icon .nav__close {
    opacity: 1;
    transform: rotate(90deg);
  }

  .nav__link:hover,
  .dropdown__link:hover,
  .dropdown__sublink:hover {
    color: var(--secondary-color);
  }
}

/* Desktop menu styles */
@media screen and (min-width: 1119px) {
  .nav {
    height: calc(var(--header-height) + 2rem);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
  }

  .nav__toggle {
    display: none;
  }

  .nav__menu {
    height: 100%;
  }

  .nav__list {
    height: 100%;
    display: flex;
    column-gap: 1rem;
  }

  .nav__link {
    height: 100%;
    display: flex;
    align-items: center;
    padding: 0 15px;
    color: var(--white-color);
    font-weight: var(--font-semi-bold);
    transition: all 0.3s;
    position: relative;
  }

  .nav__link:hover {
    color: var(--secondary-color);
  }

  /* Enhanced Dropdown Menu */
  .dropdown__item {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
  }

  .dropdown__menu {
    position: absolute;
    left: 0;
    top: 90%;
    background-color: #163446;
    width: 220px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: var(--z-tooltip);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
    transform: translateY(10px);
    border: 1px solid rgba(0,0,0,0.05);
    padding: 10px 0;
  }

  .dropdown__item:hover .dropdown__menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .dropdown__menu::before {

    position: absolute;
    top: -2px;
    left: 20px;
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid white;
    z-index: 1;
  }

  .dropdown__link {
    padding: 12px 20px;
    transition: all 0.3s;
    color: white;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
  }

  .dropdown__link:hover {
    color: var(--secondary-color);
    background-color: rgba(254, 122, 54, 0.05);
    padding-left: 25px;
  }

  .dropdown__link.has-submenu::after {
    content: '›';
    margin-left: 10px;
    font-size: 18px;
    transition: transform 0.3s;
  }

  .dropdown__submenu {
    position: absolute;
    left: 100%;
    top: 0%;
    background-color: #163446;
    width: 220px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    border-radius: 0 8px 8px 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
    transform: translateX(10px);
    border: 1px solid rgba(0,0,0,0.05);
    padding: 10px 0;
  }

  .dropdown__submenu::before {
    position: absolute;
    top: 15px;
    left: -8px;
    width: 0;
    height: 0;
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
    border-right: 8px solid white;
  }

  .dropdown__subitem:hover .dropdown__submenu {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
  }

  .dropdown__sublink {
    padding: 10px 20px;
    color: white;
    font-size: 14px;
    display: block;
    transition: all 0.3s;
  }

  .dropdown__sublink:hover {
    color: #fe7a36;
    background-color: rgba(254, 122, 54, 0.05);
    padding-left: 25px;
  }
}

.no-scroll {
  overflow: hidden;
}

/* ========== Contact Section ========== */
.contact-section {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 2rem;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
}

.section-header::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--secondary-color);
  margin: 1.5rem auto;
  border-radius: 2px;
}

.section-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--white-color);
}

.section-subtitle {
  color: var(--secondary-color);
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 0.875rem;
  margin-bottom: 1rem;
  display: inline-block;
}

.section-description {
  color: var(--paraColor);
  font-size: 1.1rem;
  max-width: 700px;
  margin: 0 auto;
}

/* Contact Form */
.contact-form {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  background: var(--formBg);
  backdrop-filter: blur(10px);
  padding: 2rem;
  border-radius: var(--borderRadius);
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 3rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--primaryLight);
}

.form-control {
  width: 100%;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--borderRadius);
  color: var(--textColor);
  font-family: 'Montserrat', sans-serif;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 3px rgba(254, 122, 54, 0.2);
}

textarea.form-control {
  min-height: 150px;
  resize: vertical;
}

.submit-btn {
  background: var(--secondary-color);
  color: white;
  border: none;
  padding: 1rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 1px;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
}

.submit-btn:hover {
  background: var(--primaryLight);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(254, 122, 54, 0.3);
}

.submit-btn i {
  transition: var(--transition);
}

.submit-btn:hover i {
  transform: translateX(5px);
}

/* Contact Info */
.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin: 3rem 0;
}

.info-card {
  background: var(--formBg);
  backdrop-filter: blur(10px);
  padding: 1.5rem;
  border-radius: var(--borderRadius);
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition);
  text-align: center;
}

.info-card:hover {
  transform: translateY(-5px);
  border-color: var(--secondary-color);
}

.info-icon {
  font-size: 2rem;
  color: var(--secondary-color);
  margin-bottom: 1rem;
}

.info-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: white;
}

.info-text {
  color: var(--paraColor);
  margin-bottom: 0;
}

/* Map */
.map-container {
  height: 400px;
  border-radius: var(--borderRadius);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-top: 3rem;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.map-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(254, 122, 54, 0.2) 0%, transparent 50%);
  z-index: 1;
  pointer-events: none;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Responsive */
@media (max-width: 992px) {
  .section-title {
    font-size: 2rem;
  }
  
  .contact-section {
    padding: 1.5rem;
  }
}

@media (max-width: 768px) {
  body {
    padding-top: 60px;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .contact-form {
    padding: 1.5rem;
  }
  
  .info-card {
    padding: 1.25rem;
  }
}

@media (max-width: 576px) {
  .section-title {
    font-size: 1.5rem;
  }
  
  .contact-form {
    padding: 1rem;
  }
  
  .map-container {
    height: 300px;
  }
}