:root {
    --color-background: #120f1b;
    --color-surface: #1b1526;
    --color-surface-highlight: #251c33;
    --color-text-primary: #f5f3ff;
    --color-text-secondary: #c3bddb;
    --color-border: #2f253d;
    --color-accent: #f8a41e;
    --color-accent-strong: #f97316;
    --shadow-elevated: 0 18px 45px rgba(10, 6, 18, 0.45);
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--color-background);
    color: var(--color-text-primary);
    font-family: "Roboto", sans-serif;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: clamp(1.75rem, 3vw, 2.5rem);
    margin: 0;
    padding: clamp(3rem, 6vh, 4rem) 0 0;
    min-height: 100vh;
    text-rendering: optimizeLegibility;
}

h1,
h2 {
    margin: 0;
    font-weight: 500;
    text-align: center;
    color: var(--color-text-primary);
}

.centered-h1 {
    font-size: clamp(2.5rem, 4vw, 3.3rem);
    letter-spacing: 0.03em;
}

h2 {
    font-size: clamp(1.4rem, 3vw, 2rem);
    color: var(--color-text-secondary);
    font-weight: 400;
}

p {
    color: var(--color-text-secondary);
    margin: 0;
}

.centered {
    align-self: center;
    text-align: center;
}

button {
    background-color: var(--color-accent-strong);
    border: 1px solid rgba(249, 115, 22, 0.45);
    color: var(--color-text-primary);
    padding: 0.85rem 2.75rem;
    text-align: center;
    font-size: 1.05rem;
    font-weight: 500;
    border-radius: 999px;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
    box-shadow: 0 14px 30px rgba(10, 6, 18, 0.35);
    letter-spacing: 0.01em;
}

button:hover {
    transform: translateY(-2px);
    background-color: var(--color-accent);
    box-shadow: 0 18px 40px rgba(10, 6, 18, 0.45);
}

button:focus-visible {
    outline: 3px solid rgba(248, 164, 30, 0.45);
    outline-offset: 3px;
}

hr {
    width: 90%;
    align-self: center;
    height: 1px;
    border: none;
    background-color: rgba(255, 255, 255, 0.25);
    margin: 1.5rem auto;
}

footer {
    background-color: rgba(24, 18, 35, 0.88);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    text-align: center;
    padding: 18px 0;
    font-size: 0.95rem;
    width: 100%;
    margin-top: auto;
}