:root[data-theme="dark"] {
    --bg-dark: hsl(0, 0%, 3.9%);
    --bg: hsl(0, 0%, 10.6%);
    --bg-light: hsl(0, 0%, 17%);
    --text: hsl(0, 0%, 95.7%);
    --text-muted: hsl(0, 0%, 73.7%);
    --stoke: hsl(0, 0%, 44.7%);
    --highlight: hsl(253, 81%, 56%);
    --highlightDarker: hsl(253, 81%, 24%);
    --danger: hsl(354, 76%, 44%);
}

:root[data-theme="light"] {
    --bg-dark: hsl(0, 0%, 83%);
    --bg: hsl(0, 0%, 89.4%);
    --bg-light: hsl(0, 0%, 96.1%);
    --text: hsl(0, 0%, 4.3%);
    --text-muted: hsl(0, 0%, 26.3%);
    --stoke: hsl(0, 0%, 55.3%);
    --highlight: hsl(253, 81%, 56%);
    --highlightDarker: hsl(253, 81%, 76%);
    --danger: hsl(354, 92%, 66%);
}

html,
body {
    height: 100vh;
    width: 100vw;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Source code pro", monospace;
    font-weight: 400;
    background-color: var(--bg);
    color: var(--text);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    overflow-y: auto;
}

/* ========= Header Section ========= */
.app-header {
    position: fixed;
    top: 20px;
    width: 100%;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: transparent;
    padding: 0 16px;
    box-sizing: border-box;
    z-index: 10;
}

.header-left,
.header-center,
.header-right {
    display: flex;
    align-items: center;
}

.header-left {
    flex: 0 0 auto;
}
.header-center {
    flex: 1 1 auto;
    justify-content: center;
}
.header-right {
    flex: 0 0 auto;
}

/* ========= Navbar Section ========= */
nav {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 8px;
    height: 50px;
    width: 100%;
    max-width: 300px;
    border: solid 1px var(--stroke);
    border-radius: 30px;
    background-color: transparent;
    box-shadow: 0px 0px 40px -22px var(--text) inset;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    font-size: 1rem;
    transition: all 0.2s ease;
    z-index: 1500;
}

.navbar-center {
    display: flex;
    align-items: center;
}

.navbar-logo-name {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 5px;
}

.navbar-logo-name svg {
    width: 45px;
}

.navbar-logo-name path {
    fill: var(--text);
}

.navbar-logo-name svg:hover {
    rotate: 360deg;
    transition: rotate 0.5s ease-in-out;
}

main {
    flex: 1 0 auto;
    position: relative;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 0;
    padding: 0;
    pointer-events: none;
}

footer {
    width: 100%;
    color: var(--text-muted);
    text-align: center;
    margin-top: auto;
    z-index: 100;
    background: none;
    font-size: 14px;
    position: relative;
    bottom: 0;
    pointer-events: none;
}

@keyframes bunnyJump {
    0% {
        transform: translateY(0) scale(1);
    }
    20% {
        transform: translateY(-24px) scale(1.08);
    }
    40% {
        transform: translateY(0) scale(0.92);
    }
    70% {
        transform: translateY(-12px) scale(1.04);
    }
    100% {
        transform: translateY(0) scale(1);
    }
}
.bunny-animate {
    animation: bunnyJump 0.8s cubic-bezier(0.7, 0, 0.3, 1);
}

#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background-color: var(--bg);
}

/* ========================================== */
/* ============== MAIN CONTENT ============== */

/* --- Title --- */
.main-title {
    letter-spacing: -8px;
    font-size: 100px;
    color: var(--text);
    font-weight: 600;
    display: flex;
    flex-direction: column;
    position: absolute;
    justify-content: center;
    align-self: center;
    height: 345px;
    z-index: 90;
}

.main-title span {
    pointer-events: auto;
}

.litterabbit-text-highlight {
    color: var(--highlight);
}

.main-title > span:nth-child(1) {
    align-self: flex-start;
}
.main-title > span:nth-child(2) {
    align-self: flex-end;
}
.main-title > span:nth-child(3) {
    align-self: flex-end;
}

.letter {
    display: inline-block;
    transition: color 0.2s;
    position: relative;
}

/* --- Main buttons --- */
.principal-button {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: absolute;
    cursor: pointer;
    height: 50px;
    width: 160px;
    z-index: 90;
}

.principal-button button {
    height: 50px;
    width: 160px;
    border: none;
    border-radius: 13px;
    color: var(--text);
    background-color: var(--bg);
    box-shadow: 0px 0px 40px -22px var(--text) inset;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    font-size: 14px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: absolute;
    transform: translateY(0px);
    transition: all 0.2s ease;
    pointer-events: auto;
    cursor: pointer;
}

.principal-button:hover > button {
    transform: translateY(5px);
    box-shadow: 0px 0px 40px -22px var(--highlight) inset;
}

.principal-button.first {
    top: 17%;
    right: 25%;
}

.principal-button.sec {
    bottom: 25%;
    left: 15%;
}

.principal-button.third {
    bottom: 13%;
    right: 10%;
}

/* ========================================== */
/* ============== MODAL STYLES ============== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    align-items: center;
    justify-content: center;
    z-index: 100;
    transition: backdrop-filter 0.2s;
    pointer-events: auto;
}

.modal-content {
    width: 400px;
    color: var(--text);
    border-radius: 13px;
    padding: 40px;
    text-align: center;
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    display: flex;
    flex-direction: column;
    gap: 10px;
    position: relative;
}

.close-modal {
    position: absolute;
    top: 5px;
    left: 5px;
    background: var(--bg);
    color: var(--text);
    border: none;
    border-radius: 8px;
    font-size: 12px;
    padding: 5px;
    cursor: pointer;
    transition: background 0.16s;
}

.close-modal:hover {
    background: var(--bg-dark);
}

.app-card-header {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.app-card img {
    height: 20px;
}

/* --- Modal for "Why LitteRabbit?" --- */
.explanation {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

/* ========================================== */
/* ============= OUR APP STYLES ============= */

/* --- Modal for "Our App" --- */
.apps-cards {
    display: flex;
    flex-direction: row;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.app-card {
    background: var(--bg-light);
    border-radius: 13px;
    min-width: 220px;
    max-width: 280px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    transition: transform 0.16s;
}
.app-card:hover {
    transform: translateY(-6px) scale(1.035);
}
.app-name {
    font-size: 18px;
    font-weight: bold;
    color: var(--text);
}

.app-desc {
    font-size: 12px;
    color: var(--text-muted);
    text-align: justify;
}

.discover-btn {
    background: var(--bg);
    color: var(--text);
    border: none;
    border-radius: 8px;
    font-size: 14px;
    padding: 10px;
    cursor: pointer;
    align-self: flex-end;
    transition: background 0.13s;
}

.discover-btn:hover {
    background: var(--bg-dark);
    color: var(--highlight);
}