.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container--narrow {
    max-width: var(--max-width-narrow);
}

.section {
    padding: var(--spacing-3xl) 0;
}

.section--hero {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid--2 {
    grid-template-columns: 1fr;
}

.grid--3 {
    grid-template-columns: 1fr;
}

.grid--4 {
    grid-template-columns: 1fr;
}

.flex {
    display: flex;
}

.flex--center {
    align-items: center;
    justify-content: center;
}

.flex--between {
    align-items: center;
    justify-content: space-between;
}

.flex--col {
    flex-direction: column;
}

.flex--gap-sm {
    gap: var(--spacing-sm);
}

.flex--gap-md {
    gap: var(--spacing-md);
}

.flex--gap-lg {
    gap: var(--spacing-lg);
}

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

.text-accent {
    color: var(--clr-accent);
}

.text-gray {
    color: var(--clr-gray);
}

.text-sm {
    font-size: var(--fs-sm);
}

.text-md {
    font-size: var(--fs-md);
}

.text-lg {
    font-size: var(--fs-lg);
}

.text-xl {
    font-size: var(--fs-xl);
}

.text-2xl {
    font-size: var(--fs-2xl);
}

.text-hero {
    font-size: var(--fs-hero);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mb-2xl { margin-bottom: var(--spacing-2xl); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    border: 0;
}

@media (min-width: 640px) {
    .grid--2 {
        grid-template-columns: repeat(2, 1fr);
    }
    .grid--3 {
        grid-template-columns: repeat(2, 1fr);
    }
    .grid--4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 900px) {
    .grid--3 {
        grid-template-columns: repeat(3, 1fr);
    }
    .grid--4 {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1100px) {
    .grid--4 {
        grid-template-columns: repeat(4, 1fr);
    }
}