@font-face {
    font-family: "vazir";
    src: url("../fonts/vazir.eot") format("eot"), url("../fonts/vazir.ttf") format("truetype"), url("../fonts/vazir.woff") format("woff"), url("../fonts/vazir.woff2") format("woff2");
}

* {
    padding: 0;
    margin: 0;
}

body {
    font-family: "vazir";
    overflow-x: hidden;
}

.intro {
    padding: 100px 0;
    background: #f4511e;
}

.container {
    width: 90%;
    margin: auto;
}

h1 {
    font-size: 2.5rem;
    text-align: center;
}

/* timeline */

.timeline ul {
    background: #0c1d30;
    padding: 50px 0;
}

.timeline ul li {
    list-style: none;
    margin: 0 auto;
    position: relative;
    background: #fff;
    padding-top: 50px;
    width: 6px;
}

.timeline ul li::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
    -moz-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    -o-transform: translateX(-50%);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    -ms-border-radius: 50%;
    -o-border-radius: 50%;
    background: #fff;
}

.timeline ul li div {
    position: relative;
    width: 350px;
    background: #f4511e;
    bottom: 0;
    padding: 15px;
    height: 130px;
    box-sizing: border-box;
    color: #fff;
    visibility: hidden;
    opacity: 0;
    transition: all 0.3s ease-in-out;
    -webkit-transition: all 0.3s ease-in-out;
    -moz-transition: all 0.3s ease-in-out;
    -ms-transition: all 0.3s ease-in-out;
    -o-transition: all 0.3s ease-in-out;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
    transition-delay: 0.1s;
}

.timeline ul li.in-view div {
    visibility: visible;
    opacity: 1;
}

.timeline ul li div::before {
    content: "";
    position: absolute;
    right: -10px;
    bottom: 5px;
    border-left: 10px solid #f4511e;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
}

.timeline ul li:nth-child(odd) div {
    right: 45px;
    transform: translateX(-200px);
    -webkit-transform: translateX(-200px);
    -moz-transform: translateX(-200px);
    -ms-transform: translateX(-200px);
    -o-transform: translateX(-200px);
}

.timeline ul li.in-view:nth-child(odd) div {
    transform: translateX(0);
    -webkit-transform: translateX(0);
    -moz-transform: translateX(0);
    -ms-transform: translateX(0);
    -o-transform: translateX(0);
}

.timeline ul li:nth-child(even) div {
    right: -390px;
    transform: translateX(200px);
    -webkit-transform: translateX(200px);
    -moz-transform: translateX(200px);
    -ms-transform: translateX(200px);
    -o-transform: translateX(200px);
}

.timeline ul li.in-view:nth-child(even) div {
    transform: translateX(0px);
    -webkit-transform: translateX(0px);
    -moz-transform: translateX(0px);
    -ms-transform: translateX(0px);
    -o-transform: translateX(0px);
}

.timeline ul li:nth-child(even) div::before {
    right: auto;
    left: -10px;
    transform: rotate(180deg);
    -webkit-transform: rotate(180deg);
    -moz-transform: rotate(180deg);
    -ms-transform: rotate(180deg);
    -o-transform: rotate(180deg);
}

.timeline ul li div p {
    padding: 10px 0;
}