:root {
    --bg-color: #fefefa;
    --text-primary: #121212;
    --text-secondary: #757575;
    --accent: #000000;
    --transition-speed: 0.8s;
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    transition: transform var(--transition-speed) var(--ease);
    min-height: 100vh;
}

body.panel-open {
    overflow: hidden;
}

/* Initial Fade-in */
.fade-in {
    opacity: 0;
    animation: fadeInAnimation 2s var(--ease) forwards;
}

@keyframes fadeInAnimation {
    from { opacity: 0; transform: translate3d(0, 0.6rem, 0); }
    to { opacity: 1; transform: translate3d(0, 0, 0); }
}

.signature.fade-in {
    animation: fadeInSignature 2s var(--ease) forwards;
}

@keyframes fadeInSignature {
    from { opacity: 0; transform: translate3d(-50%, 0.6rem, 0); }
    to { opacity: 1; transform: translate3d(-50%, 0, 0); }
}

/* Main Content */
main {
    text-align: center;
    max-width: 600px;
    padding: 2rem;
    z-index: 1;
    transition: transform 0.1s ease;
}

.hero-text {
    font-size: 0.9rem;
    font-weight: 300;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    transition: color 0.5s ease;
}

.hero-text:hover {
    color: var(--text-primary);
}

.statement {
    font-family: 'Inter', sans-serif;
    font-weight: 100;
    font-style: normal;
    font-size: 1.2rem;
    line-height: 1.6;
    margin-bottom: 4rem;
    color: var(--text-primary);
}

/* Top Navigation */
.top-right-nav {
    position: fixed;
    top: 4rem;
    right: 4rem;
    display: flex;
    align-items: center;
    gap: 2.5rem;
    z-index: 5;
}

.nav-link {
    cursor: pointer;
    background: none;
    border: none;
    padding: 0.5rem 0;
    outline: none;
    text-decoration: none;
    transition: opacity 0.8s var(--ease);
    display: flex;
    align-items: center;
    color: var(--text-secondary);
    font-family: inherit;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.nav-label {
    font-size: 0.7rem;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: inherit;
    transition: all 0.6s var(--ease);
    font-weight: 300;
    display: inline-block;
    position: relative;
}

.nav-label::after {
    content: '';
    position: absolute;
    bottom: -0.3rem;
    left: 0;
    width: 0;
    height: 0.0625rem;
    background: var(--text-primary);
    transition: width 0.6s var(--ease);
}

.contact-reveal {
    font-size: 0.6rem;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    opacity: 0;
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    transition: all 0.6s var(--ease);
    pointer-events: none;
    white-space: nowrap;
    font-weight: 300;
    text-transform: none;
}

.signature {
    position: fixed;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    white-space: nowrap;
    transition: transform 0.1s ease;
}

.signature-text {
    font-size: 0.6rem;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    font-weight: 300;
    user-select: none;
    cursor: default;
    background: linear-gradient(
        to right, 
        var(--text-secondary) 0%, 
        var(--text-secondary) 45%, 
        rgba(18, 18, 18, 1) 50%, 
        var(--text-secondary) 55%, 
        var(--text-secondary) 100%
    );
    background-size: 300% 100%;
    background-position: 100% 0;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: var(--text-secondary);
}

.signature:hover .signature-text {
    animation: metallicShine 1.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes metallicShine {
    0% { background-position: 150% 0; }
    100% { background-position: -50% 0; }
}

/* Side Panel */
aside {
    position: fixed;
    top: 0;
    right: -100%;
    width: 40%;
    height: 100%;
    background: #fefefa;
    border-left: 0.0625rem solid #E8E8E5;
    padding: 4rem 5vw 10vh 5vw;
    display: flex;
    flex-direction: column;
    transition: right var(--transition-speed) var(--ease);
    z-index: 10;
    box-shadow: -1rem 0 3rem rgba(0, 0, 0, 0.02);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

aside::-webkit-scrollbar {
    display: none;
}

aside.active {
    right: 0;
}

/* Overlay for clicking outside */
#overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9;
    background: rgba(254, 254, 250, 0.4);
    backdrop-filter: blur(3.5px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-speed) var(--ease), visibility var(--transition-speed) var(--ease);
    cursor: pointer;
}

#overlay.active {
    opacity: 1;
    visibility: visible;
}

.panel-header {
    margin-bottom: 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.panel-title {
    font-size: 0.7rem;
    font-weight: 300;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--text-secondary);
    transition: color 0.5s ease;
}

.panel-content {
    flex-grow: 1;
    font-family: 'Inter', sans-serif;
    font-weight: 100;
    font-style: normal;
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--text-primary);
    max-width: 400px;
}

.panel-content p {
    margin-bottom: 1.4rem;
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    transition: all 0.6s var(--ease);
    line-height: 1;
    opacity: 0.4;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 11;
    margin-right: -0.5rem;
}

.close-btn:hover {
    opacity: 1;
    color: var(--text-primary);
}

/* Background Grain Overlay */
.grain {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    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");
    opacity: 0.04;
    pointer-events: none;
    z-index: 100;
}

/* Mobile Contact Toast */
.contact-toast {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    color: var(--text-secondary);
    font-size: 0.6rem;
    letter-spacing: 0.1em;
    font-weight: 400;
    letter-spacing: 0.05em;
    padding: 0.9rem 1rem;
    background: var(--bg-color);
    border-radius: 0;
    text-align: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-100%);
    transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.4s;
    z-index: 1000;
    pointer-events: none;
}

.contact-toast.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* --- Media Queries --- */

@media (max-width: 768px) {
    .hero-text {
        color: #1f2326;
    }

    .top-right-nav {
        top: 4rem;
        position: fixed;
        right: auto;
        width: 100%;
        padding: 0 5vw;
        justify-content: space-between;
        align-items: flex-start;
        gap: 0;
    }

    .contact-reveal {
        display: none;
    }

    body.panel-open {
        overflow: hidden;
    }

    aside {
        width: 100%;
        right: -100%;
        overflow: hidden;
        padding: 0;
    }

    .panel-header {
        position: relative;
        top: 0;
        left: 0;
        width: 100%;
        padding: 4rem 5vw 1rem 5vw;
        justify-content: space-between;
        align-items: flex-start;
        margin-bottom: 0;
        flex-shrink: 0;
        background: var(--bg-color);
        z-index: 12;
    }

    .panel-title {
        font-size: 0.7rem;
        padding: 0.5rem 0;
        padding-left: 0.875rem;
    }

    .close-btn {
        padding: 0.5rem 0;
        padding-right: 0.875rem;
        margin-right: 0;
    }

    .panel-content {
        margin-top: 2rem;
        padding: 0 calc(5vw + 0.875rem) 10vh calc(5vw + 0.875rem);
        overflow-y: auto;
        flex-grow: 1;
        -webkit-overflow-scrolling: touch;
        max-width: none;
    }

    .statement {
        font-size: 1.25rem;
    }

    .credo-label {
        padding-left: 0.875rem;
    }

    .contact-label {
        padding-right: 0.875rem;
    }

}

@media (min-width: 769px) {
    .contact-toast {
        display: none;
    }
}

@media (hover: hover) {
    .nav-link:hover .nav-label {
        color: var(--text-primary);
        letter-spacing: 0.5em;
    }

    .nav-link:hover .nav-label::after {
        width: 100%;
    }

    .nav-link:hover .contact-reveal {
        opacity: 1;
        transform: translateY(0.125rem);
    }
}