:root {
    --primary-orange: #FF5C00;
    --text-black: #1a1a1a;
    --text-dark: #444444;
    --text-muted: #888888;
    --bg-canvas: #ffffff;
    --border-color: #f0f0f0;
    --logo-filter: none;
    --toggle-bg: #f5f5f5;
}

body.dark-mode {
    --text-black: #ffffff;
    --text-dark: #cccccc;
    --text-muted: #888888;
    --bg-canvas: #0f0f0f;
    --border-color: #222222;
    --logo-filter: brightness(0) invert(1);
    --toggle-bg: #222222;
}

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

body {
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-canvas);
    color: var(--text-black);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 24px;
    -webkit-font-smoothing: antialiased;
    line-height: 1.5;
    transition: background-color 0.4s ease, color 0.4s ease;
}

.theme-toggle {
    position: absolute;
    top: 30px;
    right: 30px;
    background: var(--toggle-bg);
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dark);
    transition: all 0.3s ease;
    z-index: 100;
}

.theme-toggle:hover {
    transform: scale(1.1);
    color: var(--primary-orange);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
}

.container {
    max-width: 850px;
    width: 100%;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: fadeIn 1.2s ease;
}

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

.logo {
    width: 100%;
    max-width: min(320px, 80vw);
    height: auto;
    margin-bottom: 80px;
    filter: var(--logo-filter);
    transition: filter 0.4s ease;
}

.badge {
    font-size: 10px;
    font-weight: 400;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 24px;
    display: block;
}

h1 {
    font-size: clamp(1.8rem, 5vw, 2.8rem);
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 32px;
    color: var(--text-black);
}

h1 b {
    color: var(--primary-orange);
    font-weight: 600;
}

.description {
    font-size: clamp(0.95rem, 2vw, 1.05rem);
    font-weight: 350;
    color: var(--text-dark);
    max-width: 650px;
    margin-bottom: 48px;
    line-height: 1.7;
}

.divider {
    width: 40px;
    height: 1px;
    background-color: var(--border-color);
    margin-bottom: 48px;
}

.highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 64px;
    width: 100%;
}

.highlight-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.highlight-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}

.highlight-value {
    font-size: 14px;
    font-weight: 400;
    color: var(--text-dark);
}

.cta-link {
    font-size: 13px;
    font-weight: 400;
    color: var(--text-muted);
    text-decoration: none;
    padding-bottom: 2px;
    border-bottom: 1px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-link:hover {
    color: var(--primary-orange);
    border-bottom: 1px solid var(--primary-orange);
}

footer {
    position: absolute;
    bottom: 40px;
    font-size: 11px;
    color: #888;
    display: flex;
    gap: 20px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

@media (max-width: 768px) {
    .highlights { grid-template-columns: 1fr; gap: 24px; }
    body { padding: 40px 24px; justify-content: flex-start; }
    footer { position: relative; margin-top: 60px; bottom: 0; flex-direction: column; align-items: center; gap: 10px; }
    .logo { margin-bottom: 50px; }
    h1 { font-size: 1.6rem; }
    .theme-toggle { top: 20px; right: 20px; }
}