/* Inspired the color and CSS styles from this site below: */
/* https://themewagon.com/themes/onepage/ */

/* Global Colors */
:root {
  --background-color: #f6f9ff;
  --default-color: #444444;
  --heading-color: #124265;
  --accent-color: #2487ce;
  --contrast-color: #ffffff;
}

/* Smooth scroll */
:root {
  scroll-behavior: smooth;
}

/* ========== General/Bootstrap adjusting ========== */

body {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  min-height: 100vh;
  background-color: var(--background-color);
  color: var(--default-color);
  padding-top: 101px;

  @media (max-width: 768px) {
    padding-top: 85px;
  }
}

a {
  text-decoration: none;
  transition: all 0.3s;
}

@media (width < 768px) {
  .container-fluid {
    padding-left: 0;
    padding-right: 0;
  }
}

.breadcrumb-item a:hover {
  color: var(--heading-color);
}

/* ========== Custom styling ========== */

@media (min-width: 768px) {
  /* Round the border when width screen is equals or above 768px */
  /* Mobile screen doesn't need this element to be rounded. */
  #introduction {
    border-top-left-radius: 0.5rem;
    border-top-right-radius: 0.5rem;
    border-bottom-left-radius: 0.5rem;
    border-bottom-right-radius: 0.5rem;
  }
}

.logo-in-introduction {
  width: 64px;
  height: 64px;

  @media (max-width: 550px) {
    width: 56px;
    height: 56px;
  }
}

.brand-title {
  color: var(--heading-color);
  font-weight: 800;
  font-size: 28px;
}

.slogan-text {
  color: var(--heading-color);

  @media (width <= 700px) {
    font-size: 14px;
  }
}

#searchSection {
  width: 55%;

  /* Width screen is less than 768px will have the search form width is 75% */
  @media (width < 1280px) {
    width: 75%;
  }
}

.form-control-responsive {
  @media (width < 768px) {
    min-height: calc(1.5em + 0.5rem + calc(var(--bs-border-width) * 2));
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
    border-radius: var(--bs-border-radius-sm);
  }
}

.btn-responsive {
  @media (width < 768px) {
    --bs-btn-padding-y: 0.25rem;
    --bs-btn-padding-x: 0.5rem;
    --bs-btn-font-size: 0.875rem;
    --bs-btn-border-radius: var(--bs-border-radius-sm);
  }
}

#cover-image {
  border-radius: 1rem;

  @media (max-width: 900px) {
    border-radius: 0;
  }
}

.heading-title {
  color: var(--heading-color);
  font-weight: 600;
  font-size: 24px;
}

.heading-title:hover {
  color: var(--accent-color);
}

/* Text and border colors */

.text-color-accent {
  color: var(--accent-color);
}

.text-color-heading {
  color: var(--heading-color);
}

.border-color-accent {
  border-color: var(--accent-color);
}

.border-color-heading {
  border-color: var(--heading-color);
}

/* Buttons */

.button-color-accent,
.button-color-accent:focus {
  color: var(--contrast-color);
  background-color: var(--accent-color);
  transition: all 0.3s;
}

.button-color-accent:hover,
.button-color-accent:focus:hover {
  color: var(--contrast-color);
  background-color: var(--heading-color);
  border-color: var(--accent-color);
}

.button-color-accent:focus {
  box-shadow: 0 0 0 0.25rem var(--heading-color);
}

.button-color-heading,
.button-color-heading:focus {
  color: var(--contrast-color);
  background-color: var(--heading-color);
  transition: all 0.3s;
}

.button-color-heading:hover,
.button-color-heading:focus:hover {
  color: var(--contrast-color);
  background-color: var(--accent-color);
  border-color: var(--heading-color);
}

.button-color-heading:focus {
  box-shadow: 0 0 0 0.25rem var(--accent-color);
}

.button-color-for-downloader {
  color: var(--contrast-color);
  background-color: var(--accent-color);
  transition: all 0.3s;
}

.button-color-for-downloader:hover {
  color: var(--contrast-color);
  background-color: var(--accent-color);
  opacity: 0.8;
}

/* Header - Navbar */

.header {
  color: var(--default-color);
  background-color: #ffffff;
  transition: all 0.5s;
  z-index: 997;
  height: 100px;
  padding: 20px 0;
  border-bottom: 1px solid color-mix(in srgb, var(--accent-color), transparent 85%);
}

.nav-item a {
  color: var(--heading-color);
}

.nav-item a:hover {
  color: var(--accent-color);
  cursor: pointer;
}

@media (max-width: 768px) {
  .header {
    height: 80px;
  }

  .header .logo {
    margin-right: 0;
  }

  .header .logo img {
    max-height: 32px;
    width: auto;
  }

  .header .logo h1 {
    font-size: 24px;
    margin: 0;
    font-weight: 700;
    color: var(--heading-color);
  }
}

@media (width > 768px) {
  .header .logo img {
    max-height: 36px;
    width: auto;
  }

  .header .logo h1 {
    font-size: 28px;
    margin: 0;
    font-weight: 800;
    color: var(--heading-color);
  }
}

@media (max-width: 900px) {
  /* in contact.html */
  .subtitle-text {
    font-size: 14px;
  }
}