/* ==========================================================================
   Portfolio Website - Custom Styles
   Author: Mohamed Zouari
   ========================================================================== */

/* ==========================================================================
   CSS Custom Properties (Variables)
   ========================================================================== */
:root {
  /* Colors */
  --color-primary: #0a66c2;
  --color-primary-dark: #0c447c;
  --color-white: #ffffff;
  --color-black: #000000;
  --color-gray-light: #f6f6f6;
  --color-gray: #999999;
  --color-gray-dark: #333333;
  --color-border: #dddddd;
  --color-text: #333333;
  --color-text-light: #555555;
  --color-sidebar-bg: rgba(10, 102, 194, 0.58);
  --color-tech-tag: rgba(12, 68, 124, 0.58);

  /* Typography */
  --font-family-base: 'Roboto', Helvetica, sans-serif;
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-medium: 500;

  /* Spacing */
  --spacing-xs: 10px;
  --spacing-sm: 15px;
  --spacing-md: 30px;
  --spacing-lg: 45px;
  --spacing-xl: 50px;

  /* Breakpoints */
  --breakpoint-xs: 450px;
  --breakpoint-sm: 568px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1001px;
  --breakpoint-xl: 1366px;

  /* Layout */
  --sidebar-width: 25%;
  --max-content-width: 850px;
}

/* ==========================================================================
   Base Styles & Reset
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: inherit;
}

html {
  box-sizing: border-box;
  font-family: sans-serif;
  -ms-text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font: 16px/1.6 var(--font-family-base);
  font-weight: var(--font-weight-light);
  background: var(--color-gray-light);
}

@media screen and (max-width: 1000px) {
  body {
    background: var(--color-white);
  }
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: var(--font-weight-regular);
}

h1 {
  font-size: 36px;
  text-transform: uppercase;
}

h2 {
  font-size: 30px;
  text-transform: uppercase;
}

h3 {
  font-size: 24px;
}

h4 {
  font-size: 20px;
}

h5 {
  font-size: 14px;
  font-weight: var(--font-weight-light);
  text-transform: uppercase;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

strong {
  font-weight: var(--font-weight-medium);
}

::selection {
  color: var(--color-white);
  background: var(--color-primary);
}

::-moz-selection {
  color: var(--color-white);
  background: var(--color-primary);
}

/* ==========================================================================
   Layout - Sidebar
   ========================================================================== */
.site-sidebar {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 2;
  width: var(--sidebar-width);
  font-size: 14px;
  color: var(--color-white);
  text-align: left;
  background-color: var(--color-sidebar-bg);
  overflow: hidden;
}

@media screen and (max-width: 1000px) {
  .site-sidebar {
    position: relative;
    width: auto;
    padding-top: 40px;
    padding-bottom: 0;
  }
}

.site-sidebar-inner {
  position: relative;
  height: 100%;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  -ms-overflow-style: -ms-autohiding-scrollbar;
  padding: var(--spacing-lg) 40px;
}

.site-sidebar-inner::-webkit-scrollbar {
  display: none;
}

@media screen and (max-width: 1000px) {
  .site-sidebar-inner {
    overflow: initial;
    height: auto;
    padding: 0 40px;
  }
}

/* ==========================================================================
   Person/Avatar Section
   ========================================================================== */
.person {
  display: block;
  color: inherit;
  text-decoration: none;
  -webkit-font-smoothing: antialiased;
}

.person:hover {
  text-decoration: none;
}

.site-sidebar .person {
  text-align: center;
}

.person-avatar {
  border-radius: 50%;
  margin-bottom: var(--spacing-xs);
}

.person-avatar .avatar {
  width: 152px;
  height: 152px;
  border-radius: 50%;
}

@media screen and (max-width: 1000px) {
  .person-avatar .avatar {
    width: 120px;
    height: 120px;
  }
}

.person-content {
  margin-left: -40px;
  margin-right: -40px;
}

.person-title {
  font-size: 22px;
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
}

.person-subtitle {
  font-size: 16px;
  font-weight: var(--font-weight-light);
  text-transform: uppercase;
}

/* ==========================================================================
   Navigation
   ========================================================================== */
.main-navigation {
  margin: var(--spacing-lg) -40px;
  line-height: 30px;
  position: relative;
  font-size: 14px;
  text-transform: uppercase;
}

@media screen and (max-width: 1000px) {
  .main-navigation {
    line-height: 50px;
    text-align: right;
    margin: 20px -40px 0;
  }
}

.main-navigation ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.main-navigation ul > li {
  display: block;
  margin: 0;
  padding: 0 40px;
  position: relative;
}

@media screen and (max-width: 1000px) {
  .main-navigation ul > li {
    padding: 0 20px;
  }
}

.main-navigation ul + ul {
  margin-top: var(--spacing-md);
}

@media screen and (max-width: 1000px) {
  .main-navigation ul + ul {
    margin-top: 0;
  }
}

.main-navigation a {
  color: rgba(255, 255, 255, 0.6);
  display: block;
  text-decoration: none;
}

.main-navigation a:hover,
.main-navigation a:focus {
  color: var(--color-white);
}

.main-navigation ul li a:hover,
.main-navigation ul li.current a {
  color: var(--color-white);
}

/* Navigation toggle for mobile */
.navigation-extend-bar {
  font-size: 18px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-width: 1px 0;
  padding: 0 20px;
  display: none;
}

@media screen and (max-width: 1000px) {
  .navigation-extend-bar {
    display: block;
  }
}

.navigation-extend-bar a {
  display: inline-block;
}

.navigation-extend-bar .navigation-extend-button {
  width: 50%;
}

.navigation-extend-bar .social-icons {
  float: left;
}

@media screen and (max-width: 1000px) {
  .navigation-extendable {
    height: 0;
    overflow: hidden;
    transition: height 0.5s;
  }

  .main-navigation.extended .navigation-extendable {
    height: 350px;
  }
}

/* Current page indicator */
@media screen and (min-width: 1001px) {
  .main-navigation ul li.current::after {
    content: " ";
    display: block;
    position: absolute;
    width: 0;
    height: 0;
    border-top: 9px solid transparent;
    border-bottom: 9px solid transparent;
    border-right: 8px solid var(--color-white);
    bottom: 6px;
    right: 0;
  }

  .main-navigation .current a::after,
  .main-navigation a:hover::after {
    content: " \f105 ";
    padding-left: 3px;
    font-family: FontAwesome;
  }
}

/* ==========================================================================
   Social Icons
   ========================================================================== */
.social-icons a {
  color: rgba(255, 255, 255, 0.6);
}

.social-icons a:hover {
  color: var(--color-white);
}

/* ==========================================================================
   Blocks (Sidebar Sections)
   ========================================================================== */
.site-sidebar .block + .block {
  margin-top: var(--spacing-lg);
}

.site-sidebar .block .block-title {
  font-size: 11px;
  font-weight: var(--font-weight-light);
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
}

.block-title a {
  color: rgba(255, 255, 255, 0.6);
}

.block-title a:hover {
  color: var(--color-white);
}

.block-social {
  font-size: 22px;
}

@media screen and (max-width: 1000px) {
  .block-blog,
  .block-social {
    display: none;
  }
}

/* ==========================================================================
   Main Content Area
   ========================================================================== */
.site-main {
  margin-left: var(--sidebar-width);
}

.site-main::before {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  content: " ";
  display: block;
  width: var(--sidebar-width);
  background: url(../images/home-background.jpg) top center no-repeat #bababa;
  background-size: cover;
}

@media screen and (max-width: 1000px) {
  .site-main {
    margin-left: 0;
  }

  .site-main::before {
    display: none;
  }

  .parent-home .site-main::before {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    display: block;
    width: auto;
    background-position: right top;
  }
}

.site-main-inner {
  position: relative;
}

.main-section {
  max-width: var(--max-content-width);
  padding: var(--spacing-xl);
  background-color: var(--color-white);
  color: var(--color-text);
}

@media screen and (max-width: 1000px) {
  .main-section {
    padding: var(--spacing-md) 20px;
    margin: 0 auto;
  }
}

/* ==========================================================================
   Home Section
   ========================================================================== */
.home-section {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1;
  background: url(../images/home-background.jpg) top center no-repeat #bababa;
  background-size: cover;
  color: var(--color-white);
  padding-left: 110px;
  padding-top: 130px;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.6);
  font-size: 12px;
  -webkit-font-smoothing: antialiased;
}

@media screen and (max-width: 1000px) {
  .home-section {
    position: relative;
    padding: 40px 20px;
    background: transparent;
    font-size: 10px;
  }
}

@media screen and (max-width: 767px) {
  .home-section {
    font-size: 8px;
  }
}

@media screen and (max-width: 567px) {
  .home-section {
    font-size: 7px;
  }
}

.home-section-inner {
  max-width: 840px;
  margin-left: var(--sidebar-width);
}

@media screen and (max-width: 1000px) {
  .home-section-inner {
    margin: 0;
  }
}

.home-heading {
  font-size: 4em;
  font-weight: var(--font-weight-medium);
}

.home-subheading {
  font-size: 3em;
  font-weight: var(--font-weight-light);
  text-transform: none;
}

.home-subheading strong {
  font-weight: var(--font-weight-medium);
}

.home-buttons {
  margin-top: 5.15em;
  font-size: 2em;
  overflow: hidden;
  animation: fadein 2s ease-in-out;
}

@media screen and (max-width: 1000px) {
  .home-buttons {
    margin-top: 1em;
  }
}

@media screen and (max-width: 767px) {
  .home-buttons {
    font-size: 18px;
  }

  .home-buttons .button {
    margin: 1em 0 0;
    float: left;
    clear: both;
  }
}

.home-buttons .button {
  user-select: none;
  text-transform: uppercase;
  font-weight: var(--font-weight-light);
  text-decoration: none;
  opacity: 0.8;
  box-shadow: 1px 1px 2px rgba(0, 0, 0, 0.47);
  margin-bottom: 1em;
}

.home-buttons .button:hover,
.home-buttons .button:focus,
.home-buttons .button:active {
  opacity: 1;
}

@keyframes fadein {
  0%, 50% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.button {
  display: inline-block;
  padding: 0.4em 0.8em;
  line-height: 1;
  margin-right: 1em;
  text-align: center;
}

.button-outline {
  border-width: 1px;
  border-style: solid;
}

.button-white {
  color: var(--color-white);
}

.button-inline {
  padding: 0;
  margin-right: 0.3em;
}

.button-icon {
  padding: 0;
  margin-right: 0.2em;
}

.button-red {
  background-color: var(--color-primary);
  border: 1px solid var(--color-primary);
  color: var(--color-white);
  padding: 0.7em 1.2em;
  font-weight: var(--font-weight-regular);
  -webkit-font-smoothing: antialiased;
}

.button-red:hover,
.button-red:focus {
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.15);
}

.button:not(.button-icon) .fa,
.button:not(.button-icon) .icon {
  padding-right: 0.3em;
}

/* ==========================================================================
   Tech Tags & Icons
   ========================================================================== */
.tech-tags {
  list-style: none;
  margin: 0;
  padding: 0;
}

.tech-tags > li {
  display: block;
  margin: 0;
  padding: 0;
}

.tech-tags li {
  display: inline-block;
  overflow: hidden;
}

.tech-tags a {
  display: inline-block;
  color: var(--color-white);
  background-color: var(--color-tech-tag);
  padding: 4px 10px;
  font-size: 13px;
  text-transform: uppercase;
  text-decoration: none;
}

.tech-tags a:hover {
  background-color: var(--color-tech-tag);
}

.tech-icons {
  list-style: none;
  margin: 0;
  padding: 0;
}

.tech-icons > li {
  display: block;
  margin: 0;
  padding: 0;
}

.tech-icons li {
  display: inline-block;
  overflow: hidden;
}

.tech-icon {
  display: inline-block;
}

/* Tech icon sprites */
.tech-icon-angular,
.tech-icon-chef,
.tech-icon-cordova,
.tech-icon-doctrine,
.tech-icon-elasticsearch,
.tech-icon-php,
.tech-icon-rails,
.tech-icon-redis,
.tech-icon-symfony,
.tech-icon-websockets,
.tech-icon-wordpress {
  width: 35px;
  height: 32px;
}

.tech-icon-angular {
  background: url(../images/tech-icons.03c20ccf.png) no-repeat;
}

.tech-icon-chef {
  background: url(../images/tech-icons.03c20ccf.png) -35px 0 no-repeat;
}

.tech-icon-cordova {
  background: url(../images/tech-icons.03c20ccf.png) -70px 0 no-repeat;
}

.tech-icon-doctrine {
  background: url(../images/tech-icons.03c20ccf.png) -105px 0 no-repeat;
}

.tech-icon-elasticsearch {
  background: url(../images/tech-icons.03c20ccf.png) -140px 0 no-repeat;
}

.tech-icon-ionic {
  width: 35px;
  height: 32px;
  background: url(../images/tech-icons.03c20ccf.png) -175px 0 no-repeat;
}

.tech-icon-php {
  background: url(../images/tech-icons.03c20ccf.png) -210px 0 no-repeat;
}

.tech-icon-rails {
  background: url(../images/tech-icons.03c20ccf.png) -245px 0 no-repeat;
}

.tech-icon-redis {
  background: url(../images/tech-icons.03c20ccf.png) -280px 0 no-repeat;
}

.tech-icon-symfony {
  background: url(../images/tech-icons.03c20ccf.png) -315px 0 no-repeat;
}

.tech-icon-websockets {
  background: url(../images/tech-icons.03c20ccf.png) -350px 0 no-repeat;
}

.tech-icon-wordpress {
  background: url(../images/tech-icons.03c20ccf.png) -385px 0 no-repeat;
}

/* ==========================================================================
   Timeline
   ========================================================================== */
.timeline {
  font-size: 16px;
  margin-left: -50px;
}

@media screen and (max-width: 1000px) {
  .timeline {
    margin-left: 0;
  }
}

.timeline > ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline > ul > li {
  display: block;
  margin: 0;
  padding: 0;
}

.timeline_element {
  position: relative;
  overflow: hidden;
}

@media screen and (max-width: 567px) {
  .timeline_element {
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-sm) !important;
    margin-top: var(--spacing-sm) !important;
  }

  .timeline_element-date {
    color: var(--color-gray);
  }
}

@media screen and (min-width: 568px) {
  .timeline_element-date {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 130px;
    padding: var(--spacing-md) var(--spacing-sm);
    color: var(--color-gray);
    text-align: right;
    font-style: italic;
    line-height: 30px;
    border-right: 1px solid var(--color-border);
  }

  .timeline_element-date::after {
    content: " ";
    position: absolute;
    top: 42.5px;
    right: -2.5px;
    display: block;
    width: 5px;
    height: 5px;
    background-color: var(--color-primary);
  }

  .timeline_element:first-child .timeline_element-date {
    padding-top: 0;
    line-height: 1.5;
    margin-top: var(--spacing-xs);
  }

  .timeline_element:first-child .timeline_element-date .timeline_element-date-text {
    margin-top: -10px;
    display: block;
  }

  .timeline_element:first-child .timeline_element-date::after {
    top: 0;
  }
}

.timeline_element-contents {
  padding: var(--spacing-md) 0;
  margin-left: 160px;
  overflow: hidden;
}

@media screen and (max-width: 567px) {
  .timeline_element-contents {
    margin-left: 0;
    padding: var(--spacing-sm) 0 0;
  }
}

@media screen and (min-width: 568px) {
  .timeline_element + .timeline_element .timeline_element-contents {
    border-top: 1px solid var(--color-border);
  }

  .timeline_element:first-child .timeline_element-contents {
    padding-top: 0;
  }
}

/* ==========================================================================
   Portfolio
   ========================================================================== */
.portfolio-section {
  max-width: 1400px;
}

.portfolio-timeline .project-link {
  color: inherit;
  text-decoration: none;
}

.portfolio-timeline .project-link:hover {
  color: var(--color-primary);
}

.portfolio-timeline .project-text {
  width: 50%;
  float: left;
}

@media screen and (max-width: 1000px) {
  .portfolio-timeline .project-text {
    width: auto;
    float: none;
  }
}

.portfolio-timeline .project-image {
  width: 50%;
  padding-left: var(--spacing-md);
  text-align: center;
  float: left;
}

@media screen and (max-width: 1000px) {
  .portfolio-timeline .project-image {
    width: auto;
    float: none;
    margin-top: var(--spacing-md);
    padding-left: 0;
  }
}

.portfolio-timeline .project-image img {
  max-width: 100%;
  max-height: 568px;
}

.portfolio-timeline .project-description:not(:first-child) {
  margin-top: var(--spacing-sm);
}

.portfolio-timeline .project-description:not(:last-child) {
  margin-bottom: var(--spacing-sm);
}

.portfolio-timeline .project-technologies {
  margin-top: var(--spacing-md);
}

.project-title {
  font-weight: var(--font-weight-regular);
  font-size: 30px;
  line-height: 1;
  margin-bottom: 0.3em;
  -webkit-font-smoothing: antialiased;
}

.project-subtitle {
  font-size: 18px;
  font-weight: var(--font-weight-light);
  line-height: 1.5;
  text-transform: none;
  -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   Utilities
   ========================================================================== */
.icon {
  display: inline-block;
  width: 1em;
  margin-right: 0.2em;
  text-align: center;
}

.pull-left {
  float: left;
}

.pull-right {
  float: right;
}

hr {
  box-sizing: content-box;
  margin: var(--spacing-md) 0;
  height: 1px;
  width: 100%;
  background: var(--color-border);
  border: none;
  padding: 0;
}

blockquote {
  margin-left: 50px;
  padding-left: var(--spacing-sm);
  border-left: 3px solid var(--color-border);
}

img {
  border: 0;
}

/* ==========================================================================
   Responsive Visibility Classes
   ========================================================================== */
@media screen and (min-width: 451px) {
  .visible-xxs {
    display: none;
  }
}

@media (max-width: 450px), (min-width: 568px) {
  .visible-xs {
    display: none;
  }
}

@media (max-width: 567px), (min-width: 768px) {
  .visible-sm {
    display: none;
  }
}

@media (max-width: 767px), (min-width: 1001px) {
  .visible-md {
    display: none;
  }
}

@media screen and (max-width: 450px) {
  .hidden-xxs {
    display: none;
  }
}

@media screen and (max-width: 568px) and (min-width: 451px) {
  .hidden-xs {
    display: none;
  }
}

@media screen and (max-width: 768px) and (min-width: 568px) {
  .hidden-sm {
    display: none;
  }
}

@media screen and (max-width: 1001px) and (min-width: 768px) {
  .hidden-md {
    display: none;
  }
}