html {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: 'hellvetica', sans-serif;
    background-color: #000000;
    color: #E0E0E0;
    overflow: hidden;
    user-select: none;
    min-height: 100%;
}

#mainContent {
    box-sizing: border-box;
    min-height: 100vh;
    min-height: 100svh;
    min-height: 100dvh;
    overflow: hidden;
}

body * {
    user-select: none;
}

.link-style {
    text-decoration: underline;
    text-underline-offset: 4px;
    transition: color 0.3s ease;
}

.link-style:hover {
    color: #FFFFFF;
}

.fade-in {
    animation: fadeInAnimation 0.6s ease-out forwards;
    opacity: 0;
}

.fade-in-delay-1 {
    animation-delay: 0.2s;
}

.fade-in-delay-2 {
    animation-delay: 0.4s;
}

.fade-in-delay-3 {
    animation-delay: 0.6s;
}

.fade-in-delay-4 {
    animation-delay: 0.8s;
}

@keyframes fadeInAnimation {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#ctaContainer {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 56px;
    height: 56px;
    margin: 0 auto;
}

#contactBtn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    background-color: #64CCC9;
    color: #0A0A0A;
    border-radius: 12px;
    transition: background-color 0.35s ease, transform 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.45s ease;
    user-select: none;
    text-decoration: none;
    padding: 0;
}

#contactBtn:hover {
    background-color: #52B8B5;
}

#contactBtn i {
    font-size: 1.6rem;
    line-height: 1;
    position: relative;
    top: 1px;
}

#emailDisplay {
    position: absolute;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.45s ease, transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    color: #64CCC9;
    font-weight: 600;
    user-select: none;
    letter-spacing: 0.03em;
}

#copyFeedback {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.35s ease, transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
    color: #64CCC9;
    font-weight: 600;
    letter-spacing: 0.04em;
    pointer-events: none;
    user-select: none;
    font-size: 0.75rem;
}

#copyFeedback i {
    font-size: 1rem;
    line-height: 1;
}

#ctaContainer.morphed #contactBtn {
    transform: scale(0.9) translateY(-8px);
    opacity: 0;
    pointer-events: none;
}

#ctaContainer.morphed #emailDisplay {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.2s;
    pointer-events: auto;
    cursor: pointer;
}

#ctaContainer.copied #contactBtn {
    transform: scale(0.9) translateY(-8px);
    opacity: 0;
    pointer-events: none;
}

#ctaContainer.copied #emailDisplay {
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
    transition-delay: 0s;
}

#ctaContainer.copied #copyFeedback {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.15s;
}

#signInBtn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    background-color: #64CCC9;
    color: #0A0A0A;
    border-radius: 12px;
    transition: background-color 0.35s ease;
    text-decoration: none;
}

#signInBtn:hover {
    background-color: #52B8B5;
}

#signInBtn i {
    font-size: 1.8rem;
    line-height: 1;
    position: relative;
    top: 1px;
}

.pulsating-dot {
    display: inline-block;
    color: #64CCC9;
    animation: pulsate 1.4s ease-in-out infinite;
}

@keyframes pulsate {
    0% {
        opacity: 0.4;
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0.4;
    }
}

.title-container {
    display: flex;
    justify-content: center;
    cursor: pointer;
    user-select: none;
}

.letter {
    transition: font-size 0.1s ease-out, font-family 0.1s ease-out;
    display: inline-block;
    white-space: pre;
}

@media (max-width: 767px) {
    header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        background-color: #000000 !important;
        z-index: 1000;
        padding: 1rem;
        box-sizing: border-box;
    }

    #mainContent {
        padding-top: 70px;
    }
}
