@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700&display=swap');
:root {
    --green-color: #03C988;
    --dark-blue-color: #00337C;
    --light-blue-color: #1C82AD;
    --btns-gradient: linear-gradient(25deg, rgba(28,130,173,1) 0%, rgba(3,201,136,1) 100%);
    --section-color: #ECF2FC;
    --section-padding: 100px;
    --main-transition: 0.3s;
}

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

html {
    scroll-behavior: smooth;
}

.container {
    padding-left: 15px;
    padding-right: 15px;
    margin-left: auto;
    margin-right: auto;
}

a {
    text-decoration: none;
}

ul {
    list-style: none;
}


body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--section-color);
}

/*section title*/
.section-title-container {
    text-align: center;
    position: relative;
    margin-bottom: 80px;
}

.section-title {
    position: relative;
    font-size: 30px;
    font-weight: 400;
    padding: 0px 20px;
    background-color: var(--section-color);
    width: fit-content;
    margin: 0 auto;
    color: var(--dark-blue-color);
    z-index: 6;
}

.section-title-container .dash {
    position: absolute;
    height: 2px;
    width: 275px;
    background-color: #00337C;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 0;
}

.section-title-container .dash::after,
.section-title-container .dash::before{
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: var(--green-color);
    border: 2px solid var(--dark-blue-color);
    top: 50%;
    transform: translateY(-50%);
}

.section-title-container .dash::after{
    left: calc(100% - 5px);
}
.section-title-container .dash::before{
    right: calc(100% - 5px);
}

.hidden{
    opacity: 0;
    transform: translateX(-50px);
    transition: all 1s;
}

.show   {
    transform: translateX(0);
    opacity: 1;
}

/***********************************hero section*********************************************/
.hero-section {
    background-image: linear-gradient(135deg, rgba(0,51,124,0.71) 0%, rgba(0,51,124,0.71) 50%, rgba(3,201,136,0.71) 100%), url(../img/landing-background.jpg);
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
    position: relative;
}
/**************************************** vector wave ***********************************************/

.hero-section::after{
    content: '';
    position: absolute;
    bottom: -1px;
    width: 100%;
    background-image: url(../img/Vector-wave.png);
    background-size: cover;
    background-position: 0px 80px;
    background-repeat: no-repeat;
    height: 175px;
    z-index: 0;
}

@media (min-width: 750px) {
    .hero-section::after{
        bottom: 0;
    }
}

/**************************************** landing ***********************************************/
.hero-section .landing {
    height: calc(70vh - 90px);
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-section .landing h1{
    font-size: 100px;
    color: white;
    font-weight: 400;
}

.gallery {
    padding: var(--section-padding) 0;
    margin-bottom: 80px;
}

.gallery .container{
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 40px;
}

.gallery .photo {
    position: relative;
    overflow: hidden;
    transition: var(--main-transition);
    border-radius: 10px;
    filter: grayscale(0.6);
    min-height:400px ;
}

.gallery .photo::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 50%;
    opacity: 0.9;
    background: linear-gradient(0deg, var(--dark-blue-color) 0%, rgba(0,0,0,0) 100%);
    left: 0;
    bottom: -30px;
    transition: var(--main-transition);
}

.gallery .photo::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 80%;
    opacity: 0.9;
    background: linear-gradient(180deg, var(--light-blue-color) 0%, rgba(0,0,0,0) 100%);
    left: 0;
    top: 0;
    transition: var(--main-transition);
}

.gallery .photo:hover {
    transform: scale(103%);
    filter: grayscale(0);
}

.gallery .photo:hover::after {
    opacity: 1;
    bottom: 0;
}

.gallery .photo:hover .photo-title{
    bottom: -30px;
}

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

.gallery .photo .photo-title{
    position: absolute;
    bottom: 30px;
    left: 30px;
    color: white;
    font-weight: 300;
    z-index: 23;
    transition: var(--main-transition);
}