*, *::before, *::after {
    box-sizing: border-box;
    transition: background-color 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                color 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                border-color 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    background: #000000 !important;
    color: #ffffff;
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
}

#particle-canvas {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: 1;
    opacity: 0.6;
}

.content {
    position: relative;
    z-index: 10;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3rem;
    max-width: 90%;
    margin: 0 auto;
    padding: 4rem 1rem;
    animation: fadeIn 0.8s ease-out forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}

.title.glow {
    font-size: 7rem;
    font-weight: 900;
    margin: 0;
    background: linear-gradient(to right, #0f0f0f, #ffffff, #0f0f0f);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 50px rgba(255,255,255,0.2);
    animation: glow 4s ease-in-out infinite alternate;
}

@keyframes glow {
    from { text-shadow: 0 0 50px rgba(255,255,255,0.2); }
    to   { text-shadow: 0 0 80px rgba(255,255,255,0.4); }
}

.subtitle {
    font-size: 1.6rem;
    color: #ffffff;
    max-width: 1000px;
    line-height: 1.7;
    margin: 0;
}

.credits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    width: 100%;
    max-width: 1200px;
    margin: 2rem 0;
}

.credit-card {
    background: rgba(15, 15, 15, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    box-shadow: 0 8px 25px rgba(0,0,0,0.4);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.credit-card:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow: 0 20px 40px rgba(0,0,0,0.6), 0 0 50px rgba(255,255,255,0.15);
    background: rgba(20, 20, 20, 0.7);
}

.credit-card i {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    color: #ffffff;
    opacity: 0.9;
}

.credit-card h3 {
    font-size: 1.8rem;
    font-weight: 800;
    margin: 0 0 1rem 0;
    color: #ffffff;
}

.credit-card p {
    margin: 0.5rem 0;
    color: #dddddd;
    line-height: 1.6;
}

.credit-card p.name {
    font-weight: 600;
    color: #ffffff;
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
}

.btn {
    position: relative;
    overflow: hidden;
    padding: 1rem 2.5rem;
    font-size: 1.5rem;
    font-weight: bold;
    background: linear-gradient(135deg, #0f0f0f, #000000);
    color: #ffffff;
    border-radius: 9999px;
    cursor: pointer;
    box-shadow: 0 8px 25px rgba(0,0,0,0.4), 0 0 30px rgba(255,255,255,0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    animation: breathe-glow 6s infinite ease-in-out;
    text-decoration: none;
}

.btn::after {
    content: "";
    position: absolute;
    width: 0; height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    transition: width 0.6s ease-out, height 0.6s ease-out;
    top: var(--y, 50%);
    left: var(--x, 50%);
}

.btn:active::after {
    width: 300px;
    height: 300px;
}

.btn:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 35px rgba(0,0,0,0.6), 0 0 50px rgba(255,255,255,0.2);
}

.btn:active {
    transform: translateY(1px) scale(0.98);
}

@keyframes breathe-glow {
    0%, 100% { box-shadow: 0 8px 25px rgba(0,0,0,0.4), 0 0 30px rgba(255,255,255,0.1); }
    50%      { box-shadow: 0 12px 35px rgba(0,0,0,0.6), 0 0 50px rgba(255,255,255,0.2); }
}

@media (max-width: 768px) {
    .title.glow { font-size: 5rem; }
    .subtitle { font-size: 1.3rem; }
    .btn { padding: 0.9rem 2rem; font-size: 1.3rem; }
    .content { gap: 2rem; padding: 3rem 1rem; }
}

::-webkit-scrollbar {
    width: 0px;
    height: 0px;
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: transparent;
    border: none;
}

::-webkit-scrollbar-track {
    background: transparent;
}

html, body {
    scrollbar-width: none;
    -ms-overflow-style: none;
}

body::-webkit-scrollbar,
html::-webkit-scrollbar {
    display: none;
    width: 0 !important;
}