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

:root {
    --bg-black: #000000;
    --accent-violet: #6c63ff;
    --accent-cyan: #00d4ff;
    --text-white: #ffffff;
    --text-silver: #b0b8c5;
    --transition-fast: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: 'Sora', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-weight: 300;
    background-color: var(--bg-black);
    color: var(--text-white);
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle at center,
    rgba(108, 99, 255, 0.15) 0%,
    rgba(0, 212, 255, 0.05) 30%,
    transparent 70%);
    filter: blur(60px);
    z-index: 0;
    pointer-events: none;
    animation: glowBreath 8s ease-in-out infinite;
}

@keyframes glowBreath {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

#preloader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: #000000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
    opacity: 1;
    visibility: visible;
}

#preloader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.spinner {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 3px solid rgba(255, 255, 255, 0.08);
    border-top-color: var(--accent-cyan);
    border-right-color: var(--accent-violet);
    animation: spin 0.8s linear infinite;
    position: relative;
}

.spinner::after {
    content: '';
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    border: 2px solid transparent;
    border-top-color: rgba(0, 212, 255, 0.25);
    animation: spin 1.4s linear infinite reverse;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.main-container {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem 1.5rem;
    width: 100%;
    max-width: 900px;
    min-height: 100vh;
    min-height: 100dvh;
}

.logo-icon {
    width: 50px;
    height: 50px;
    margin-bottom: 2.5rem;
    opacity: 0;
    animation: logoEntrance 1s ease forwards;
    animation-delay: 0.1s;
}

.logo-diamond {
    width: 100%;
    height: 100%;
    position: relative;
}

.diamond-outer {
    position: absolute;
    inset: 0;
    border: 1.5px solid rgba(108, 99, 255, 0.5);
    transform: rotate(45deg);
    border-radius: 4px;
    animation: diamondPulse 3s ease-in-out infinite;
}

.diamond-inner {
    position: absolute;
    inset: 10px;
    background: linear-gradient(135deg, var(--accent-violet) 0%, var(--accent-cyan) 100%);
    transform: rotate(45deg);
    border-radius: 3px;
    opacity: 0.8;
    animation: diamondGlow 3s ease-in-out infinite;
}

.diamond-core {
    position: absolute;
    inset: 16px;
    background: #000000;
    transform: rotate(45deg);
    border-radius: 2px;
    z-index: 1;
}

@keyframes logoEntrance {
    0% { opacity: 0; transform: translateY(-20px) scale(0.7); }
    100% { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes diamondPulse {
    0%, 100% { box-shadow: 0 0 8px rgba(108, 99, 255, 0.3), 0 0 20px rgba(0, 212, 255, 0.1); }
    50% { box-shadow: 0 0 16px rgba(108, 99, 255, 0.6), 0 0 35px rgba(0, 212, 255, 0.25); }
}

@keyframes diamondGlow {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 0.95; }
}

.main-title {
    font-family: 'Sora', sans-serif;
    font-weight: 700;
    font-size: clamp(2.8rem, 8vw, 6.5rem);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    background: linear-gradient(135deg, var(--accent-violet) 0%, #8b83ff 30%, var(--accent-cyan) 70%, #80e8ff 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    line-height: 1.1;
    opacity: 0;
    animation: titleEntrance 1s ease forwards, gradientShift 6s ease-in-out infinite;
    animation-delay: 0.2s;
    filter: drop-shadow(0 0 20px rgba(108, 99, 255, 0.25));
    margin-bottom: 0.5rem;
}

@keyframes titleEntrance {
    0% { opacity: 0; transform: translateY(30px); filter: blur(8px) drop-shadow(0 0 20px rgba(108, 99, 255, 0.25)); }
    100% { opacity: 1; transform: translateY(0); filter: blur(0) drop-shadow(0 0 20px rgba(108, 99, 255, 0.25)); }
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.slogan {
    font-family: 'Sora', sans-serif;
    font-weight: 300;
    font-size: clamp(1rem, 2.5vw, 1.35rem);
    color: var(--text-silver);
    letter-spacing: 0.03em;
    line-height: 1.5;
    max-width: 600px;
    margin: 0 auto 0.6rem;
    opacity: 0;
    animation: fadeSlideUp 0.9s ease forwards;
    animation-delay: 0.55s;
}

.description {
    font-family: 'Sora', sans-serif;
    font-weight: 300;
    font-size: clamp(0.9rem, 1.6vw, 1.05rem);
    color: rgba(176, 184, 197, 0.75);
    letter-spacing: 0.02em;
    line-height: 1.7;
    max-width: 500px;
    margin: 0 auto 1.8rem;
    opacity: 0;
    animation: fadeSlideUp 0.9s ease forwards;
    animation-delay: 0.7s;
}

@keyframes fadeSlideUp {
    0% { opacity: 0; transform: translateY(20px); }
    100% { opacity: 1; transform: translateY(0); }
}

.separator {
    width: 0;
    max-width: 280px;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(108, 99, 255, 0.5) 20%, rgba(0, 212, 255, 0.6) 50%, rgba(108, 99, 255, 0.5) 80%, transparent 100%);
    margin: 0 auto 1.8rem;
    animation: separatorExpand 1.2s ease forwards;
    animation-delay: 0.9s;
}

@keyframes separatorExpand {
    0% { width: 0; opacity: 0; }
    100% { width: 80%; opacity: 1; }
}

.coming-soon-banner {
    font-family: 'Sora', sans-serif;
    font-weight: 400;
    font-size: clamp(0.9rem, 1.4vw, 1rem);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-white);
    padding: 0.7rem 2.2rem;
    border-radius: 50px;
    position: relative;
    border: 1.5px solid transparent;
    background: transparent;
    opacity: 0;
    animation: bannerEntrance 0.8s ease forwards;
    animation-delay: 1.1s;
    display: inline-block;
    overflow: hidden;
}

.coming-soon-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50px;
    padding: 1.5px;
    background: linear-gradient(135deg, var(--accent-violet) 0%, var(--accent-cyan) 100%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    pointer-events: none;
}

.coming-soon-banner::after {
    content: '';
    position: absolute;
    inset: 3px;
    border-radius: 50px;
    background: rgba(0, 0, 0, 0.7);
    z-index: -1;
}

@keyframes bannerEntrance {
    0% { opacity: 0; transform: scale(0.8); }
    100% { opacity: 1; transform: scale(1); }
}

.social-links {
    display: flex;
    gap: 1.8rem;
    justify-content: center;
    align-items: center;
    margin-top: 2.5rem;
    opacity: 0;
    animation: fadeSlideUp 0.9s ease forwards;
    animation-delay: 1.3s;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1.2px solid rgba(176, 184, 197, 0.3);
    color: var(--text-silver);
    transition: all var(--transition-fast);
    text-decoration: none;
    position: relative;
}

.social-link svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
    transition: fill var(--transition-fast);
}

.social-link:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.35);
    transform: translateY(-3px);
    background: rgba(0, 212, 255, 0.06);
}

.social-link:focus-visible {
    outline: 2px solid var(--accent-cyan);
    outline-offset: 3px;
}

.social-link.instagram:hover {
    border-color: #e1306c;
    color: #e1306c;
    box-shadow: 0 0 20px rgba(225, 48, 108, 0.35);
    background: rgba(225, 48, 108, 0.06);
}

.social-link.linkedin:hover {
    border-color: #0077b5;
    color: #0077b5;
    box-shadow: 0 0 20px rgba(0, 119, 181, 0.35);
    background: rgba(0, 119, 181, 0.06);
}

.site-footer {
    position: absolute;
    bottom: 1.5rem;
    left: 0;
    right: 0;
    text-align: center;
    z-index: 2;
    padding: 0 1rem;
    opacity: 0;
    animation: fadeSlideUp 0.9s ease forwards;
    animation-delay: 1.5s;
}

.footer-text {
    font-family: 'Sora', sans-serif;
    font-weight: 300;
    font-size: 0.8rem;
    color: rgba(176, 184, 197, 0.55);
    letter-spacing: 0.02em;
    line-height: 1.6;
}

@media (max-width: 1024px) {
    .main-title { font-size: clamp(2.5rem, 7vw, 4.5rem); letter-spacing: 0.06em; }
    .slogan { font-size: 1.15rem; max-width: 85%; }
    .description { font-size: 0.95rem; max-width: 80%; }
    .separator { max-width: 240px; }
    .logo-icon { width: 42px; height: 42px; margin-bottom: 2rem; }
    .coming-soon-banner { padding: 0.65rem 1.8rem; }
}

@media (max-width: 768px) {
    .main-title { font-size: clamp(2.2rem, 9vw, 3.8rem); letter-spacing: 0.05em; }
    .slogan { font-size: 1rem; max-width: 90%; }
    .description { font-size: 0.88rem; max-width: 88%; }
    .separator { max-width: 200px; margin-bottom: 1.5rem; }
    .coming-soon-banner { width: 85%; max-width: 300px; text-align: center; padding: 0.7rem 1.5rem; font-size: 0.9rem; }
    .social-links { gap: 1.4rem; margin-top: 2rem; }
    .social-link { width: 38px; height: 38px; }
    .social-link svg { width: 18px; height: 18px; }
    .logo-icon { width: 36px; height: 36px; margin-bottom: 1.6rem; }
    .site-footer { bottom: 1rem; }
    .footer-text { font-size: 0.72rem; }
    .main-container { padding: 1.5rem 1rem; }
}

@media (max-width: 380px) {
    .main-title { font-size: clamp(2rem, 10vw, 2.8rem); letter-spacing: 0.04em; }
    .slogan { font-size: 0.9rem; }
    .description { font-size: 0.8rem; }
    .separator { max-width: 170px; }
    .coming-soon-banner { width: 90%; max-width: 280px; padding: 0.7rem 1.2rem; font-size: 0.85rem; }
    .social-links { gap: 1.1rem; }
    .social-link { width: 34px; height: 34px; }
    .social-link svg { width: 16px; height: 16px; }
    .logo-icon { width: 30px; height: 30px; }
}

@media (min-width: 2560px) {
    .main-title { font-size: 7rem; }
    .slogan { font-size: 1.5rem; max-width: 700px; }
    .description { font-size: 1.15rem; max-width: 600px; }
    .separator { max-width: 350px; height: 1.5px; }
    .coming-soon-banner { padding: 0.9rem 3rem; font-size: 1.1rem; }
    .social-link { width: 50px; height: 50px; }
    .social-link svg { width: 24px; height: 24px; }
    .logo-icon { width: 60px; height: 60px; margin-bottom: 3rem; }
    .footer-text { font-size: 0.9rem; }
}

@media (prefers-reduced-motion: reduce) {
    .spinner, .spinner::after { animation: none; }
    .main-title { animation: titleEntranceReduced 0.3s ease forwards; }
    .diamond-outer, .diamond-inner { animation: none; }
}

@keyframes titleEntranceReduced {
    0% { opacity: 0; }
    100% { opacity: 1; }
}