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

body {
  font-family: "Century Gothic";
}
/* Navigation bar */
.navbar {
    width: 100%;
    background: white;
    padding: 15px 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
}

.nav-container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}
.logo p {
    font-weight: bold;
}
.logo img {
    height: 45px;
}

.desktop-nav {
    display: flex;
    gap: 30px;
}

.desktop-nav a {
    text-decoration: none;
    color: #333;
    font-size: 16px;
    font-weight: 500;
    padding-bottom: 4px;
}

.desktop-nav a.active {
    border-bottom: 3px solid #d62828;
}

.contact-btn {
    background: #d62828;
    padding: 10px 22px;
    color: white;
    text-decoration: none;
    border-radius: 16px;
    font-weight: 600;
    transition: 0.3s;
}

.contact-btn:hover {
    background: #b71f1f;
}

.contact-btn-mobile {
    display: none;
}

.fa-bars {
    display: none;
    font-size: 30px;
    cursor: pointer;
}

/* dropdown */
.dropdown {
    position: relative;
    display: flex;
    align-items: center;
}
.dropdown-tab {
    position: relative;
    display: flex;
    align-items: center;
    margin-bottom: 35px;
}
.arrow {
    margin-left: 5px;
    cursor: pointer;
    font-size: 17px;
}

.submenu {
    position: absolute;
    top: 40px;
    left: 10px;
    background-color: white;
    padding: 10px 0;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    display: none;
    list-style: none;
    min-width: 180px;
    z-index: 200;
}

.dropdown-menu li a {
    display: block;
    padding: 8px 15px;
    color: black;
    text-decoration: none;
    font-size: 14px;
}

.submenu li a:hover {
    background-color: #f2f2f2;
}


@media (max-width: 768px) {
    .dropdown-menu {
        position: static;
        box-shadow: none;
        padding-left: 20px;
    }

    .dropdown.open .dropdown-menu {
        display: block;
    }

    .arrow {
        cursor: pointer;
        margin-left: 5px;
    }
}

/* mobile nav */
@media (max-width: 768px) {
    .contact-btn {
        display: none;
    }

    .fa-bars {
        display: block;
    }

    .nav-links {
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        align-items: center;
        gap: 20px;
        padding: 20px 0;
        display: none;
        box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    }

    .contact-btn-mobile {
        display: block;
        background: #d62828;
        padding: 10px 22px;
        color: white;
        text-decoration: none;
        border-radius: 6px;
        font-weight: 600;
    }

    .nav-links.show {
        display: flex;
    }
}
/* responsiveness mobile*/
@media (max-width: 768px) {
    .desktop-nav {
        display: none;
    }

    .fa-bars {
        display: block;
        font-size: 34px;
        cursor: pointer;
        font-weight: bold;
    }
}

@media (max-width: 768px) {

  /* Show submenu ALWAYS inside the mobile menu */
  .dropdown-menu {
    display: block;
    position: static;  
    margin-left: -40px;
    margin-bottom: -50px;
    margin-top: 20px;
  }

  /* Make submenu look smaller */
  .dropdown-menu .sub a {
    font-size: 13px;
    font-weight: normal;
    opacity: 0.85;
    display: block;
    padding: 6px 0;
  }
}


.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    height: 100vh;
    background: white;
    box-shadow: -2px 0 15px rgba(0,0,0,0.2);
    transition: 0.4s;
    padding: 20px;
    z-index: 2000;
}

.mobile-menu.open {
    right: 0;
}

.fa-xmark {
    font-size: 30px;
    text-align: right;
    cursor: pointer;
    margin-bottom: 30px;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.mobile-nav a {
    font-size: 18px;
    text-decoration: none;
    color: #333;
    font-weight: 600;
}

.mobile-nav a.active {
    color: #d62828;
    border-left: 4px solid #d62828;
    padding-left: 10px;
}

/* Hero section */
.sus-hero {
    width: 100%;
    height: 320px;
    background-image: url(img/csr-bgg.png);
    background-size: cover;
    background-position: center;
    position: relative;
}
.sus-hero-overlay {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sus-hero h1 {
    color: #fff;
    font-size: 42px;
    font-weight: 700;
    text-align: center;
}

.csr-section {
    width: 100%;
    background: #fff;
    padding: 60px 0;
}
.csr-container {
    max-width: 1200px;
    margin: auto;
    padding: 0 20px;
}
.csr-title {
    font-size: 32px;
    font-weight: 700;
    color: #000;
    margin: 40px 0 15px;
}
.csr-container p {
    font-size: 16px;
    line-height: 1.8;
    color: #333;
    margin-bottom: 20px;
    text-align: justify;
}
.csr-images {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
}
.csr-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

@media (max-width: 768px) {
    .csr-section {
        padding: 40px 0;
    }

    .csr-title {
        font-size: 24px;
        margin-top: 30px;
    }

    .csr-container p {
        font-size: 15px;
    }

    .csr-images {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* Footer */
.footer {
    background: #000;
    color: #fff;
    padding: 60px 5% 30px;
}
.footer-container {
    max-width: 1200px;
    margin: auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1.2fr;
    gap: 40px;
}
.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
}
.footer-logo img {
    width: 50px;
}
.footer-logo h3 {
    font-size: 16px;
    line-height: 1.3;
}
.footer-about p {
    font-size: 14px;
    line-height: 1.6;
    opacity: 0.85;
    margin-bottom: 20px;
}
.footer-socials {
    display: flex;
    gap: 15px;
}
.footer-socials a {
    color: #fff;
    font-size: 18px;
    transition: 0.3s;
}
.footer-socials a:hover {
    color: #e60000;
}
.footer-col h4 {
    font-size: 18px;
    margin-bottom: 15px;
}
.footer-col ul {
    list-style: none;
}
.footer-col ul li {
    margin-bottom: 10px;
}
.footer-col ul li a {
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    opacity: 0.85;
}
.footer-col ul li a:hover {
    opacity: 1;
    color: #e60000;
}
.footer-col p {
    font-size: 14px;
    margin-bottom: 10px;
    opacity: 0.85;
}
.footer-col i {
    margin-right: 8px;
    color: #e60000;
}
.footer-bottom {
    margin-top: 40px;
    text-align: center;
}
.footer-bottom hr {
    border: none;
    height: 1px;
    background: rgba(255,255,255,0.2);
    margin-bottom: 15px;
}
.footer-bottom p {
    font-size: 13px;
    opacity: 0.7;
}
@media (max-width: 768px) {
    .footer-container {
        grid-template-columns: 1fr;
        text-align: left;
    }
    .footer-logo {
        justify-content: flex-start;
    }
    .footer-socials {
        margin-bottom: 20px;
    }
    .footer-col h4 {
        margin-top: 20px;
    }
}