.landing-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;

    padding: 1.5rem 2rem;
}


.hero {
    min-height: calc(100vh - 72px - 56px);

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;

    text-align: center;
    padding: 0 2rem;
}

.hero-title {
    margin: 0;
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 700;
    letter-spacing: -0.04em;
}

.hero-word.think {
    color: #2563EB;
}

.hero-subtitle {
    margin-top: 1rem;
    max-width: 38rem;

    font-size: 1.2rem;
    line-height: 1.6;
    color: #000;
}

.hero-button {
    display: inline-block;

    margin-top: 2.5rem;

    padding: 0.9rem 2rem;

    background: #111;
    color: white;

    text-decoration: none;
    border-radius: 999px;

    font-weight: 600;
}
.hero-title .think {
    color: #2563EB;
}

.hero-title .plan {
    color: #FFEB3B;
}

.hero-title .write {
    color: #16A34A;
}

.hero-title .evaluate {
    color: #D97706;
}

.hero-word {
    display: inline-block;

    opacity: 1;
    transform: translateY(0);

    transition:
        opacity 350ms ease,
        transform 350ms ease,
        color 350ms ease;
}

.hero-word.exit {
    opacity: 0;
    transform: translateY(-12px);
}

.hero-word.enter {
    opacity: 0;
    transform: translateY(12px);
}