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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: #fff;
    color: #0C161D;
    min-height: 100vh;

}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url('../images/background-graphic.png');
    background-repeat: repeat;
    background-size: cover;
    background-position: center;
    transform: scaleX(-1);
    opacity: 0.75;
    z-index: -1;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 40px;
    background-color: #0C161D;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 600;
}

.logo-icon {
    color: #00d9b3;
    font-size: 20px;
}

.logo-icon img {
    height: 26px;
    width: auto;
}

.header-buttons {
    display: flex;
    /* display: none; */
    gap: 15px;
    align-items: center;
}

.contact-btn {
    background-color: #00d9b3;
    color: #1a2b3a;
    padding: 10px 25px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: background-color 0.3s;
}

.contact-btn:hover {
    background-color: #00c0a0;
}

.menu-btn {
    background: transparent;
    border: 1px solid #fff;
    color: #fff;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.menu-icon {
    display: inline-block;
    width: 16px;
    height: 12px;
    position: relative;
}

.menu-icon::before,
.menu-icon::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background: #fff;
    left: 0;
}

.menu-icon::before {
    top: 0;
    box-shadow: 0 5px 0 #fff;
}

.menu-icon::after {
    bottom: 0;
}

.main-content {
    margin: 0 auto;
    padding: 0;
    text-align: center;
}

.top-section {
    margin: 0;
    padding: 37px 0 0 0;
    /* border: 1px solid red; */
    background-image: linear-gradient(to bottom, #ffffffaa, #ffffff00);
    height: 150px;
}

h1 {
    font-size: 28px;
    margin-bottom: 10px;
}

.subtitle {
    color: #14242E;
    font-size: 20px;
    margin-bottom: 0;
}

.tiles-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 30px;
    margin: 0 40px;
    padding-bottom: 60px;
}

.tile {
    background-color: rgba(245, 245, 245, 0.5);
    backdrop-filter: blur(5px);
    border-radius: 15px;
    padding: 30px;
    text-decoration: none;
    color: #333;
    transition: transform 0.3s, box-shadow 0.3s;
    display: block;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.tile:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

.tile-image {
    width: 100%;
    height: 230px;
    border-radius: 10px;
    object-fit: cover;
    object-position: top;
    margin-bottom: 20px;

}

.tile-title {
    color: #ff6b35;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 6px;
    text-align: left;
}

.tile-description {
    color: #808080;
    font-size: 14px;
    line-height: 1.5;
    text-align: left;
}

.popup {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
}

.popup-content {
    background-color: #fff;
    padding: 20px;
    border: 1px solid #ff6b35;
    border-radius: 10px;
    max-width: 400px;
    text-align: center;
}

.header-menu {
    position: absolute;
    top: 100%;
    right: 0;

    width: 200px;
    padding: 16px;
    border-radius: 10px;
    
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    color: #fff;
    background-color: #1a2b3a;
}

.header-menu.active {
    display: flex;
}

.header-profile {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.header-profile-email {
    font-size: 14px;
    color: #00d9b3;
}

.menu-container {
    position: relative;
}

.loader {
    width: 64px;
    height: 64px;
    border: 3px solid #ff6b35;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@media (max-width: 768px) {
    header {
        padding: 15px 20px;
    }

    .main-content {
        padding: 0 20px;
    }

    h1 {
        font-size: 28px;
    }

    .tiles-container {
        grid-template-columns: 1fr;
    }
}