@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;700&display=swap');

:root {
    --bg-color: #050505;
    --text-color: #ffffff;
    --accent-color: #3b82f6;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.1);
    --card-bg: rgba(255, 255, 255, 0.05);
    --code-bg: #0d0d0d;
    --nav-height: 80px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Outfit', sans-serif;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background:
        radial-gradient(circle at 20% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(147, 51, 234, 0.1) 0%, transparent 40%),
        var(--bg-color);
}

.noise {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.05;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3%3Ffilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: -1;
    opacity: 0.4;
    pointer-events: none;
}

.orb-1 {
    width: 300px;
    height: 300px;
    background: rgba(59, 130, 246, 0.2);
    top: 10%;
    left: 10%;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: rgba(147, 51, 234, 0.15);
    bottom: 10%;
    right: 10%;
}

.orb-3 {
    width: 250px;
    height: 250px;
    background: rgba(59, 130, 246, 0.1);
    top: 50%;
    right: 20%;
}

.title-container {
    text-align: center;
}

#title {
    font-size: 8rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    perspective: 1000px;
    display: flex;
    justify-content: center;
    cursor: default;
}

#title span {
    display: inline-block;
    will-change: transform, opacity;
    opacity: 0;
}

.controls {
    margin-top: 4rem;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1s ease, transform 1s ease;
}

.controls.visible {
    opacity: 1;
    transform: translateY(0);
}

button {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    color: var(--text-color);
    padding: 1rem 3rem;
    font-size: 1.2rem;
    font-family: inherit;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
            transparent,
            rgba(255, 255, 255, 0.1),
            transparent);
    transition: 0.5s;
}

button:hover::before {
    left: 100%;
}

button:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

button:active {
    transform: scale(0.98);
}

.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    padding: 0 5%;
    z-index: 100;
}

.home-btn {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 12px;
    background: transparent;
}

.home-btn svg {
    width: 18px;
    height: 18px;
}

.home-btn:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.05);
}

.container {
    max-width: 800px;
    width: 90%;
    margin: 0 auto;
    text-align: center;
}

.card-container {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
}

.expandable-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    width: 100%;
    max-width: 600px;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    text-align: left;
    position: relative;
}

.expandable-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.card-header {
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

.card-icon {
    transition: transform 0.5s ease;
    width: 20px;
    height: 20px;
    position: relative;
}

.card-icon::before,
.card-icon::after {
    content: '';
    position: absolute;
    background-color: var(--text-color);
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
}

.card-icon::after {
    transform: rotate(90deg);
}

.expandable-card.expanded .card-icon {
    transform: rotate(45deg);
}

.card-content {
    max-height: 0;
    opacity: 0;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0 2rem;
}

.expandable-card.expanded .card-content {
    max-height: 500px;
    opacity: 1;
    padding: 0 2rem 2.5rem 2rem;
}

.card-description {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.code-wrapper {
    background: var(--code-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1rem;
    position: relative;
    overflow: hidden;
}

.code-block {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9rem;
    color: #10b981;
    word-break: break-all;
    white-space: pre-wrap;
}

.copy-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    padding: 0.3rem 0.6rem;
    font-size: 0.7rem;
    border-radius: 6px;
    cursor: pointer;
    backdrop-filter: blur(5px);
    transition: all 0.2s;
}

.copy-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.fade-in-up {
    animation: fadeInUp 1s cubic-bezier(0.19, 1, 0.22, 1) forwards;
    opacity: 0;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.page-title {
    margin-bottom: 3rem;
    font-size: 2.5rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.ripple {
    position: fixed;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 1000;
    animation: ripple-effect 0.8s cubic-bezier(0.165, 0.84, 0.44, 1) forwards;
}

@keyframes ripple-effect {
    0% {
        width: 0;
        height: 0;
        opacity: 1;
    }

    100% {
        width: 100px;
        height: 100px;
        opacity: 0;
    }
}

.status-bar {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
    pointer-events: none;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    z-index: 100;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.status-bar::before {
    content: '';
    width: 6px;
    height: 6px;
    background: #10b981;
    border-radius: 50%;
    box-shadow: 0 0 10px #10b981;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        opacity: 0.4;
    }

    50% {
        opacity: 1;
    }

    100% {
        opacity: 0.4;
    }
}

.status-text::after {
    content: '|';
    animation: blink 1s step-end infinite;
}

@keyframes blink {

    from,
    to {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}