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

body {
    font-family: "IBM Plex Sans", sans-serif;
    font-optical-sizing: auto;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

@media (prefers-color-scheme: dark) {
    body {
        background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    }
}

.noise {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.02;
    z-index: 1;
    background-image: url('/noise.svg');
}

main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
}

.container {
    text-align: center;
    padding: 2rem;
    animation: fadeInUp 1s ease-out;
}

.logo {
    width: 280px;
    height: auto;
    margin-bottom: 2.5rem;
    filter: drop-shadow(0 10px 40px rgba(0, 0, 0, 0.1));
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (prefers-color-scheme: dark) {
    .logo {
        filter: brightness(0) invert(1) drop-shadow(0 10px 40px rgba(255, 255, 255, 0.1));
    }
}

.logo:hover {
    transform: translateY(-5px);
}

h1 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 400;
    letter-spacing: 0.02em;
    color: #1a365d;
    margin-bottom: 3rem;
    opacity: 0;
    animation: fadeIn 1s ease-out 0.3s forwards;
}

@media (prefers-color-scheme: dark) {
    h1 {
        color: #e2e8f0;
    }
}

.cta-banner {
    position: fixed;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    opacity: 0;
    animation: slideUp 0.8s ease-out 0.6s forwards;
}

.cta-link {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 100px;
    color: #1a365d;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(26, 54, 93, 0.1);
}

@media (prefers-color-scheme: dark) {
    .cta-link {
        background: rgba(30, 41, 59, 0.95);
        color: #e2e8f0;
        border: 1px solid rgba(226, 232, 240, 0.1);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    }
}

.cta-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(0, 0, 0, 0.12);
    background: #fff;
}

@media (prefers-color-scheme: dark) {
    .cta-link:hover {
        background: rgba(30, 41, 59, 1);
        box-shadow: 0 6px 30px rgba(0, 0, 0, 0.4);
    }
}

.cta-link::after {
    content: '→';
    transition: transform 0.3s ease;
}

.cta-link:hover::after {
    transform: translateX(3px);
}

footer {
    position: fixed;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    color: #64748b;
    font-size: 0.75rem;
    z-index: 2;
    opacity: 0;
    animation: fadeIn 1s ease-out 0.9s forwards;
}

@media (prefers-color-scheme: dark) {
    footer {
        color: #94a3b8;
    }
}

.floating-orbs {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 0;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.3;
    animation: float 20s infinite ease-in-out;
}

@media (prefers-color-scheme: dark) {
    .orb {
        opacity: 0.2;
    }
}

.orb1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #3b82f6, transparent);
    top: -200px;
    left: -100px;
    animation-delay: 0s;
}

.orb2 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, #8b5cf6, transparent);
    bottom: -150px;
    right: -100px;
    animation-delay: 5s;
}

.orb3 {
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, #1a365d, transparent);
    top: 50%;
    left: 70%;
    animation-delay: 10s;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(30px, -30px) scale(1.05);
    }
    50% {
        transform: translate(-20px, 20px) scale(0.95);
    }
    75% {
        transform: translate(40px, 10px) scale(1.02);
    }
}

@media (max-width: 768px) {
    .logo {
        width: 200px;
    }

    .cta-banner {
        bottom: 5rem;
    }

    footer {
        bottom: 1.5rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}