/* ==========================================================================
   Salvadebitori — Layout
   Container, grid, spacing, sections
   ========================================================================== */

/* Container */
.sd-container {
    width: 100%;
    max-width: var(--sd-container);
    margin-inline: auto;
    padding-inline: var(--sd-gutter);
}

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

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

/* Sections */
.sd-section {
    padding: var(--sd-space-3xl) 0;
}

.sd-section--sm {
    padding: var(--sd-space-xl) 0;
}

.sd-section--lg {
    padding: var(--sd-space-4xl) 0;
}

.sd-section--alt {
    background-color: var(--sd-bg-alt);
}

.sd-section--dark {
    background-color: var(--sd-bg-dark);
    color: var(--sd-text-inverse);
}

.sd-section--dark p {
    color: rgba(255, 255, 255, 0.8);
}

.sd-section--dark h2,
.sd-section--dark h3 {
    color: var(--sd-text-inverse);
}

.sd-section--primary {
    background: linear-gradient(135deg, var(--sd-primary) 0%, var(--sd-primary-dark) 100%);
    color: var(--sd-text-inverse);
}

.sd-section--primary p {
    color: rgba(255, 255, 255, 0.85);
}

.sd-section--primary h2,
.sd-section--primary h3 {
    color: var(--sd-text-inverse);
}

/* Grid system */
.sd-grid {
    display: grid;
    gap: var(--sd-space-xl);
}

.sd-grid--2 {
    grid-template-columns: repeat(2, 1fr);
}

.sd-grid--3 {
    grid-template-columns: repeat(3, 1fr);
}

.sd-grid--4 {
    grid-template-columns: repeat(4, 1fr);
}

.sd-grid--auto {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* Flexbox utilities */
.sd-flex {
    display: flex;
    gap: var(--sd-space-md);
}

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

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

.sd-flex--wrap {
    flex-wrap: wrap;
}

/* Section header */
.sd-section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--sd-space-2xl);
}

.sd-section-header__subtitle {
    display: inline-block;
    font-size: var(--sd-text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--sd-accent);
    margin-bottom: var(--sd-space-sm);
}

.sd-section-header__title {
    margin-bottom: var(--sd-space-md);
}

.sd-section-header__desc {
    font-size: var(--sd-text-lg);
    color: var(--sd-text-light);
    max-width: 600px;
    margin-inline: auto;
}

/* Responsive */
@media (max-width: 1024px) {
    .sd-grid--3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .sd-grid--4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .sd-section {
        padding: var(--sd-space-2xl) 0;
    }

    .sd-section--lg {
        padding: var(--sd-space-3xl) 0;
    }

    .sd-grid--2,
    .sd-grid--3,
    .sd-grid--4 {
        grid-template-columns: 1fr;
    }

    .sd-grid--auto {
        grid-template-columns: 1fr;
    }

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

/* No scroll (for mobile menu open) */
.sd-no-scroll {
    overflow: hidden;
}