/* Root Variables */
:root {
  /* Colors */
  --primary-color: #1e90ff;
  --secondary-color: #34495e;
  --light-bg-color: #f3f6fb;
  --hover-color: #1a73e8;
  --text-color-white: #ffffff;
  --footer-link-color: #6c757d;
  --text-yellow-color: #f39c12;
  --footer-text-color: #adb5bd;

  /* Spacing */
  --section-padding-top: 60px;
  --section-padding-bottom: 60px;

  /* Font Sizes */
  --font-size-large: 3rem;
  --font-size-medium: 1.2rem;
  --font-size-small: 1rem;
  --font-size-button: 1rem;

  /* Box Shadows */
  --shadow-light: 0 4px 8px rgba(0, 0, 0, 0.15);
  --shadow-heavy: 0 8px 20px rgba(0, 0, 0, 0.3);

  /* Border Radius */
  --radius-sm: 5px;
  --radius-md: 10px;
  --radius-lg: 15px;

  /* Transitions */
  --transition-fast: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

body {
  overflow-x: hidden;
}

/* Navbar */
.navbar-dark {
  background-color: var(--secondary-color);
}

.nav-link {
  color: var(--text-color-white) !important;
  transition: color var(--transition-fast),
    background-color var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-color-white) !important;
  background-color: var(--hover-color);
  border-radius: var(--radius-sm);
}

.nav-item:first-child .nav-link:hover {
  color: var(--text-color-white) !important;
  background-color: var(--hover-color);
}

.nav-link.active {
  color: var(--text-yellow-color) !important;
  font-weight: bold;
}

.navbar {
  box-shadow: var(--shadow-heavy);
}

/* Hero */
.c-item {
  /*height: auto;*/
  /*max-height: 480px;*/
  height: 480px;
}

.c-img {
  object-fit: cover;
  width: 100%;
  height: 100%;
}

/* About Section */
#about {
  background-color: var(--light-bg-color);
  padding: var(--section-padding-top) 0 var(--section-padding-bottom);
}

.about h1 {
  font-size: var(--font-size-large);
  font-weight: 600;
  color: var(--secondary-color);
}

.about h1 span {
  color: var(--primary-color);
}

.about p {
  font-size: var(--font-size-medium);
  color: var(--secondary-color);
  line-height: 1.8;
  margin-top: 20px;
}

.about button {
  font-size: var(--font-size-button);
  background-color: var(--primary-color);
  color: var(--text-color-white);
  border: none;
  padding: 10px 30px;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.about button:hover {
  background-color: var(--hover-color);
}

.about .accordion-button {
  background-color: var(--light-bg-color);
  color: var(--secondary-color);
  border: 1px solid #bdc3c7;
}

.about .accordion-button:not(.collapsed) {
  background-color: var(--primary-color);
  color: var(--text-color-white);
}

.about .accordion-body {
  background-color: var(--light-bg-color);
  color: var(--secondary-color);
}

.about .accordion-item {
  margin-bottom: 15px;
}

.about .img-fluid {
  border-radius: var(--radius-md);
  transition: transform var(--transition-fast);
}

.about .img-fluid:hover {
  transform: scale(1.05);
}

.about .row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.about .col-sm-12 {
  margin-bottom: 30px;
}

@media (max-width: 768px) {
  .about h1 {
    font-size: 2.5rem;
  }

  .about button {
    font-size: var(--font-size-small);
    padding: 8px 20px;
  }

  .about .row {
    flex-direction: column;
    align-items: center;
  }

  .about .col-sm-12 {
    text-align: center;
  }
}

/* Project Section */
.project-card {
  transition: transform var(--transition-fast),
    box-shadow var(--transition-fast);
  border: none;
  box-shadow: var(--shadow-light);
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-heavy);
}

.project-card .card-title {
  font-size: 1.25rem;
  color: var(--hover-color);
}

.project-card .btn-primary {
  transition: background-color var(--transition-fast);
  font-weight: bold;
}

.project-card .btn-primary:hover {
  background-color: var(--primary-color);
}

/* Services Section */
.service-card {
  transition: transform var(--transition-fast),
    box-shadow var(--transition-fast);
  border: none;
  box-shadow: var(--shadow-light);
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-heavy);
}
.card-top-height {
  height: 88%;
}

.icon-container {
  width: 60px;
  height: 60px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  border-radius: 50%;
  background-color: var(--navbar-bg-color);
  color: #fff;
}

.text-primary .icon-container {
  background-color: var(--light-bg-color);
}

.service-card .btn-primary,
.service-card .btn-danger {
  font-weight: bold;
}

.service-card .btn-primary:hover {
  background-color: var(--primary-color);
}

.service-card .btn-danger:hover {
  background-color: #c82333;
}

/* Contact Section */
.contact-form .form-control {
  border-radius: var(--radius-sm);
}

.contact-form .form-control:focus {
  box-shadow: none;
  outline: none;
}

.contact-form label {
  font-weight: bold;
}

.contact-form .contact-btn {
  background-color: var(--primary-color);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast), transform 0.2s ease;
}

.contact-form .contact-btn:hover {
  background-color: var(--hover-color);
  transform: scale(1.05);
}

/* Footer Section */
.footer-logo {
  font-size: 1.5rem;
}

.footer-heading {
  color: #d1d5db;
  font-size: 1rem;
}

.footer-link {
  color: var(--footer-link-color);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--text-yellow-color);
}

.footer-social-icon {
  font-size: 1.2rem;
  color: var(--text-color-white);
  margin: 0 10px;
  transition: color var(--transition-fast), transform 0.2s;
}

.footer-social-icon:hover {
  color: var(--text-yellow-color);
  transform: scale(1.1);
}

footer p {
  font-size: 0.9rem;
  color: var(--footer-text-color);
}