/* =========================================================
   Acuaria — Layout primitives
   ========================================================= */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding-left: var(--container-padding-x);
    padding-right: var(--container-padding-x);
}

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

.section {
    position: relative;
    padding-top: var(--section-padding-y);
    padding-bottom: var(--section-padding-y);
}

.section--dark {
    background: var(--color-navy-deep);
    color: var(--color-text-on-dark);
}

.section--cream {
    background: var(--color-cream);
}

.section--white {
    background: var(--color-white);
}

.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(27, 184, 160, 0.1);
    color: var(--color-teal);
    border: 1px solid rgba(27, 184, 160, 0.25);
    border-radius: var(--radius-pill);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    margin-bottom: var(--space-6);
}

.section--dark .section-eyebrow {
    background: rgba(72, 217, 196, 0.12);
    color: var(--color-teal-light);
    border-color: rgba(72, 217, 196, 0.3);
}

.section-title {
    font-size: var(--font-size-h2);
    font-weight: var(--font-weight-extrabold);
    line-height: var(--line-height-tight);
    letter-spacing: var(--letter-spacing-tight);
    margin-bottom: var(--space-5);
    text-wrap: balance;
}

.section-lead {
    font-size: var(--font-size-body-lg);
    color: var(--color-text-muted);
    line-height: var(--line-height-relaxed);
    max-width: 680px;
    text-wrap: balance;
}

.section--dark .section-lead {
    color: var(--color-text-on-dark-muted);
}

.section-header {
    margin-bottom: clamp(3rem, 6vw, 5rem);
}

.section-header--center {
    text-align: center;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.section-header--center .section-lead {
    margin-left: auto;
    margin-right: auto;
}

.grid {
    display: grid;
    gap: var(--space-6);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--auto {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.stack {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.cluster {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    align-items: center;
}