/* ========== Reset & Base ========== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Sen', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background: linear-gradient(to top, #060606, #111111);
    color: #fff;
}

/* ========== Utility Classes ========== */
button,
.btn {
    background-image: linear-gradient(to left, #e9ca4f, #ffb84e, #e9ca4f);
    background-size: 200%;
    border: none;
    border-radius: 8px;
    color: white;
    cursor: pointer;
    display: block;
    font-size: 1rem;
    margin-top: 2rem;
    padding: 10px 30px;
    text-align: center;
    text-decoration: none;
    transition: background-position 0.3s ease-in, transform 0.1s ease-in;
}

.btn {
    width: 200px;
}

button:hover,
.btn:hover {
    background-position: right;
}

button:active,
.btn:active {
    transform: scale(1.05);
}

button a {
    color: white;
    text-decoration: none;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(to top, #e9ca4f 0%, #ffb84e 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    -moz-background-clip: text;
    -moz-text-fill-color: transparent;
    text-align: center;
}

h2 {
    font-size: 1.75em;
    color: #ffb84e;
    margin-bottom: 15px;
}

h3,
h4,
h5,
h6 {
    color: white;
    margin-bottom: 10px;
}

hr {
    width: 30%;
    height: 1px;
    background-color: white;
    margin: 30px auto;
    border: none;
}

.no-scroll {
    overflow: hidden;
}

/* ========== Navbar ========== */
.navbar {
    background-color: #0b0b0b;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    position: sticky;
    top: 0;
    z-index: 1000;
    /* ensure it's on top of other elements */
}

.navbar-container {
    max-width: 1600px;
    height: 80px;
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-logo img {
    height: 30px;
    filter: brightness(0) invert(1);
    display: block;
}

.navbar-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 2rem;
    margin-left: auto;
}

.navbar-links {
    color: #fff;
    display: inline-block;
    font-size: 1.1rem;
    padding: 0.5rem 0;
    text-decoration: none;
    transition: color 0.3s, transform 0.3s;
}

.navbar-links:hover {
    color: #ffb84e;
    transform: translateY(-5px);
}

.lang-toggle {
    margin-left: 1rem;
}

.lang-link {
    display: inline-block;
    padding: 0.3rem 0.6rem;
    border: 1px solid #333;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    color: #333;
    cursor: pointer;
    transition: background-color 0.3s, color 0.3s, transform 0.3s;
}

.lang-link:hover,
.lang-link:focus {
    background-color: #333;
    color: #fff;
    outline: none;
}

.menu-social-icons {
    display: none;
}

/* ========== Hamburger Menu ========== */
.hamburger {
    display: none;
    width: 32px;
    height: 28px;
    position: relative;
    cursor: pointer;
    z-index: 1001;
}

.hamburger input {
    display: none;
}

.hamburger span {
    position: absolute;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: #fff;
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.2s ease;
}

.hamburger span:nth-of-type(1) {
    top: 0;
    transform-origin: top left;
}

.hamburger span:nth-of-type(2) {
    top: 50%;
    transform: translateY(-50%);
}

.hamburger span:nth-of-type(3) {
    bottom: 0;
    transform-origin: bottom left;
}

.hamburger input:checked+span:nth-of-type(1) {
    transform: translateY(11px) rotate(135deg);
}

.hamburger input:checked+span:nth-of-type(2) {
    opacity: 0;
    transform: scaleX(0);
}

.hamburger input:checked+span:nth-of-type(3) {
    transform: translateY(-11px) rotate(-135deg);
}

/* ========== Responsive Navbar ========== */
@media screen and (max-width: 980px) {
    .btn {
        width: 150px;
    }

    #top-logo {
        height: 50%;
        width: 50%;
    }

    .hamburger {
        display: inline-block;
        width: 25px;
        height: 20px;
    }

    .hamburger span {
        height: 3px;
        background: white;
    }

    .hamburger input:checked~span:nth-of-type(1) {
        transform: rotate(45deg);
        top: 0;
        left: 3px;
    }

    .hamburger input:checked~span:nth-of-type(2) {
        opacity: 0;
    }

    .hamburger input:checked~span:nth-of-type(3) {
        transform: rotate(-45deg);
        bottom: 0;
        left: 3px;
    }

    .navbar-menu {
        position: fixed;
        top: 80px;
        right: -100%;
        width: 50%;
        max-width: 320px;
        height: calc(100vh - 80px);
        flex-direction: column;
        align-items: flex-end;
        text-align: right;
        background-color: rgba(0, 0, 0, 0.75);
        color: white;
        gap: 1rem;
        padding: 2rem;
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.3);
        transition: right 0.3s ease;
        z-index: 1000;
    }

    .navbar-menu.active {
        right: 0;
    }

    .navbar-overlay {
        display: none;
        position: fixed;
        inset: 80px 0 0 0;
        background-color: rgba(0, 0, 0, 0.4);
        backdrop-filter: blur(2px);
        z-index: 999;
    }

    .navbar-overlay.active {
        display: block;
    }

    .menu-social-icons {
        display: flex;
        justify-content: flex-end;
        gap: 1rem;
        padding-top: 1rem;
        border-top: 1px solid rgba(255, 255, 255, 0.2);
        width: 100%;
    }

    .menu-social-icons a {
        color: #fff;
        font-size: 1.2rem;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    .menu-social-icons a:hover {
        color: #ffc885;
    }
}

/* ========== Go to Top Button ========== */
.go-to-top-btn {
    position: fixed;
    width: 40px;
    height: 40px;
    bottom: 20px;
    right: 20px;
    background: #fff;
    color: #a6a6a6;
    text-align: center;
    line-height: 40px;
    border-radius: 8px;
    text-decoration: none;
    opacity: 0;
    pointer-events: none;
    z-index: 999;
    transition: all 0.25s;
}

.go-to-top-btn:hover {
    background: #373737;
}

.go-to-top-btn.active {
    opacity: 1;
    pointer-events: auto;
}

/* ========== Footer ========== */
.footer {
    background-color: #0b0b0b;
    box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.2);
    padding: 1.5rem 30px;
}

.footer-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-social-icons,
.footer-contact {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: #fff;
    font-size: 1.4rem;
}

.footer-social-icons a,
.footer-contact a {
    color: #fff;
    text-decoration: none;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s ease;
}

.footer-social-icons a:hover,
.footer-contact a:hover {
    color: #ffc885;
}

.vertical-separator {
    width: 1px;
    height: 24px;
    background-color: rgba(255, 255, 255, 0.2);
    align-self: center;
}

.footer-rights {
    margin-top: 0;
    flex-basis: 100%;
    text-align: center;
    opacity: 0.7;
    font-size: 0.9rem;
}

/* ========== Break Section ========== */
.break {
    height: 80px;
    background-color: #000;
}