/**
 * Layout Styles
 * Wrapper, Background, Header, Main, Footer
 */

/* ============================================
   Wrapper
   ============================================ */

#wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  position: relative;
  min-height: 100vh;
  width: 100%;
  padding: 4rem 2rem;
  z-index: var(--z-index-wrapper);
}

#wrapper::before {
  content: '';
  display: block;
}

@media (max-width: 1680px) {
  #wrapper {
    padding: 3rem 2rem;
  }
}

@media (max-width: 736px) {
  #wrapper {
    padding: 2rem 1rem;
  }
}

@media (max-width: 480px) {
  #wrapper {
    padding: 1rem;
  }
}

/* ============================================
   Background
   ============================================ */

#bg {
  transform: scale(1.0);
  -webkit-backface-visibility: hidden;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  z-index: var(--z-index-bg);
}

#bg::before,
#bg::after {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

#bg::before {
  transition: background-color var(--transition-bg) ease-in-out;
  transition-delay: var(--transition-intro);
  background-image: linear-gradient(to top, var(--color-bg-overlay), var(--color-bg-overlay)),
                    url('../../resources/images/overlay.png');
  background-size: auto, 256px 256px;
  background-position: center, center;
  background-repeat: no-repeat, repeat;
  z-index: 2;
}

#bg::after {
  transform: scale(1.125);
  transition: transform var(--transition-normal) ease-in-out,
              filter var(--transition-normal) ease-in-out;
  background-image: url('../../resources/images/bg_fall.jpg');
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  z-index: 1;
}

body.is-article-visible #bg::after {
  transform: scale(1.0825);
  filter: blur(0.2rem);
}

body.is-preload #bg::before {
  background-color: var(--color-bg-secondary);
}

/* ============================================
   Header
   ============================================ */

#header {
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: transform var(--transition-normal) ease-in-out,
              filter var(--transition-normal) ease-in-out,
              opacity var(--transition-normal) ease-in-out;
  background-image: radial-gradient(rgba(0, 0, 0, 0.25) 25%, rgba(0, 0, 0, 0) 55%);
  max-width: 100%;
  text-align: center;
}

#header > * {
  transition: opacity var(--transition-normal) ease-in-out;
  position: relative;
  margin-top: var(--spacing-xl);
}

#header > *::before {
  content: '';
  display: none;
  position: absolute;
  top: calc(-3.5rem - 1px);
  left: calc(50% - var(--border-width));
  width: var(--border-width);
  height: calc(3.5rem + 1px);
  background: var(--color-border);
}

#header > :first-child {
  margin-top: 0;
}

#header > :first-child::before {
  display: none;
}

#header .logo {
  width: 16rem;
  height: 16rem;
  line-height: 16rem;
  border: solid var(--border-width) var(--color-border);
  border-radius: 100%;
  background-image: url('../../resources/images/headshot.jpg');
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transform: translateZ(0);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  z-index: 1;
}

#header .logo .icon::before {
  font-size: 2rem;
}

#header .content {
  border-style: solid;
  border-color: var(--color-border);
  border-top-width: var(--border-width);
  border-bottom-width: var(--border-width);
  max-width: 100%;
  background-color: rgba(27, 31, 34, 0.65);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--border-radius-rounded);
}

#header .content .inner {
  transition: max-height var(--transition-intro) ease,
              padding var(--transition-intro) ease,
              opacity var(--transition-normal) ease-in-out;
  transition-delay: 0.25s;
  padding: var(--spacing-lg) 2rem;
  max-height: 40rem;
  overflow: hidden;
}

#header .content .inner > :last-child {
  margin-bottom: 0;
}

#header .content .inner h1,
#header .content .inner h3 {
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.7);
}

#header .content p {
  text-transform: uppercase;
  letter-spacing: var(--font-letter-spacing);
  font-size: 0.8rem;
  line-height: 2;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

#header nav ul {
  display: flex;
  margin-bottom: 0;
  list-style: none;
  padding-left: 0;
  border: solid var(--border-width) var(--color-border);
  border-radius: var(--border-radius-rounded);
  background-color: rgba(27, 31, 34, 0.65);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

#header nav ul li {
  padding-left: 0;
  border-left: solid var(--border-width) var(--color-border);
}

#header nav ul li:first-child {
  border-left: 0;
}

#header nav ul li a {
  display: block;
  min-width: 7.5rem;
  height: var(--element-height);
  line-height: var(--element-height);
  padding: 0 1.25rem 0 calc(1.25rem + var(--font-letter-spacing));
  text-transform: uppercase;
  letter-spacing: var(--font-letter-spacing);
  font-size: 0.8rem;
  border-bottom: 0;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

#header nav ul li a:hover {
  background-color: var(--color-border-bg);
}

#header nav ul li a:active {
  background-color: var(--color-border-bg-alt);
}

#header nav.use-middle {
  position: relative;
}

#header nav.use-middle::after {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  left: calc(50% - var(--border-width));
  width: var(--border-width);
  height: 100%;
  background: var(--color-border);
}

#header nav.use-middle ul li.is-middle {
  border-left: 0;
}

body.is-article-visible #header {
  transform: scale(0.95);
  filter: blur(0.1rem);
  opacity: 0;
}

body.is-preload #header > * {
  opacity: 0;
}

body.is-preload #header {
  filter: blur(0.125rem);
}

body.is-preload #header .content .inner {
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
  opacity: 0;
}

/* Header Responsive */
@media (max-width: 980px) {
  #header .content p br {
    display: none;
  }
}

@media (max-width: 736px) {
  #header > * {
    margin-top: var(--spacing-md);
  }

  #header > *::before {
    top: calc(-2rem - 1px);
    height: calc(2rem + 1px);
  }

  #header .logo {
    width: 10rem;
    height: 10rem;
    line-height: 10rem;
  }

  #header .logo .icon::before {
    font-size: 1.75rem;
  }

  #header .content .inner {
    padding: 2.5rem 2rem;
  }

  #header .content p {
    line-height: 1.875;
  }
}

@media (max-width: 480px) {
  #header {
    padding: 1.5rem 0;
  }

  #header .logo {
    width: 9rem;
    height: 9rem;
    line-height: 9rem;
  }

  #header .content .inner {
    padding: 2.5rem 1.5rem;
  }

  #header nav ul {
    flex-direction: column;
    min-width: 10rem;
    max-width: 100%;
  }

  #header nav ul li {
    border-left: 0;
    border-top: solid var(--border-width) var(--color-border);
  }

  #header nav ul li:first-child {
    border-top: 0;
  }

  #header nav ul li a {
    height: 3rem;
    line-height: 3rem;
    min-width: 0;
    width: 100%;
  }

  #header nav.use-middle::after {
    display: none;
  }
}

/* ============================================
   Main Content Area
   ============================================ */

#main {
  flex-grow: 1;
  flex-shrink: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  position: relative;
  max-width: 100%;
  z-index: var(--z-index-main);
}

#main article {
  transform: translateY(0.25rem);
  transition: opacity var(--transition-normal) ease-in-out,
              transform var(--transition-normal) ease-in-out;
  position: relative;
  width: var(--max-content-width);
  max-width: 100%;
  background-color: rgba(27, 31, 34, 0.65);
  border-radius: var(--border-radius);
  opacity: 0;
  padding: 2.5rem 2.5rem 2rem 2.5rem;
}

#main article.active {
  transform: translateY(0);
  opacity: 1;
}

#main article .close {
  display: block;
  position: absolute;
  top: 0;
  right: 0;
  width: 4rem;
  height: 4rem;
  cursor: pointer;
  text-indent: 4rem;
  overflow: hidden;
  white-space: nowrap;
}

#main article .close::before {
  transition: background-color var(--transition-fast) ease-in-out;
  content: '';
  display: block;
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 100%;
  background-position: center;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 20 20'%3E%3Cline x1='2' y1='2' x2='18' y2='18' stroke='%23ffffff' stroke-width='1'/%3E%3Cline x1='18' y1='2' x2='2' y2='18' stroke='%23ffffff' stroke-width='1'/%3E%3C/svg%3E");
  background-size: 20px 20px;
  background-repeat: no-repeat;
}

#main article .close:hover::before {
  background-color: var(--color-border-bg);
}

#main article .close:active::before {
  background-color: var(--color-border-bg-alt);
}

@media (max-width: 736px) {
  #main article {
    padding: 2rem 2rem 1.5rem 2rem;
  }

  #main article .close::before {
    top: 0.875rem;
    left: 0.875rem;
    width: 2.25rem;
    height: 2.25rem;
    background-size: 14px 14px;
  }
}

@media (max-width: 480px) {
  #main article {
    padding: 2rem 1.5rem 1rem 1.5rem;
  }
}

/* ============================================
   Footer
   ============================================ */

#footer {
  transition: transform var(--transition-normal) ease-in-out,
              filter var(--transition-normal) ease-in-out,
              opacity var(--transition-normal) ease-in-out;
  width: 100%;
  max-width: 100%;
  margin-top: var(--spacing-md);
  text-align: center;
}

#footer ul.icons {
  margin-bottom: 1.5rem;
}

#footer ul.icons li {
  padding-left: 0;
  padding-right: 1.25em;
}

#footer ul.icons li:last-child {
  padding-right: 0;
}

#footer .copyright {
  letter-spacing: var(--font-letter-spacing);
  font-size: 0.6rem;
  opacity: 0.9;
  margin-bottom: 0;
  text-transform: uppercase;
  padding: 0.5rem 1rem;
  background-color: rgba(27, 31, 34, 0.65);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--border-radius);
  display: inline-block;
}

body.is-article-visible #footer {
  transform: scale(0.95);
  filter: blur(0.1rem);
  opacity: 0;
}

body.is-preload #footer {
  opacity: 0;
}