/* ============================================
   LAYOUT - Structural Components
   ============================================ */

/* Container */
.container {
    width: 100%;
    max-width: var(--container-xl);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-4);
    padding-right: var(--space-4);
}

@media (min-width: 640px) {
    .container {
        padding-left: var(--space-6);
        padding-right: var(--space-6);
    }
}

@media (min-width: 1024px) {
    .container {
        padding-left: var(--space-8);
        padding-right: var(--space-8);
    }
}

/* Section Spacing */
section {
    padding-top: var(--space-16);
    padding-bottom: var(--space-16);
}

@media (min-width: 768px) {
    section {
        padding-top: var(--space-20);
        padding-bottom: var(--space-20);
    }
}

@media (min-width: 1024px) {
    section {
        padding-top: var(--space-24);
        padding-bottom: var(--space-24);
    }
}

/* Section Headers */
.section-header {
    text-align: left;
    margin-bottom: var(--space-12);
}

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

.section-header__label {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary);
    margin-bottom: var(--space-3);
}

.section-header__title {
    font-size: var(--text-3xl);
    font-weight: var(--weight-bold);
    color: var(--color-gray-900);
    margin-bottom: var(--space-4);
}

@media (min-width: 768px) {
    .section-header__title {
        font-size: var(--text-4xl);
    }
}

@media (min-width: 1024px) {
    .section-header__title {
        font-size: var(--text-5xl);
    }
}

.section-header__description {
    font-size: var(--text-lg);
    color: var(--color-gray-600);
    max-width: 65ch;
    line-height: var(--leading-relaxed);
}

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

/* Grid Systems */
.grid-2 {
    display: grid;
    gap: var(--space-8);
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }
}

.grid-3 {
    display: grid;
    gap: var(--space-6);
    grid-template-columns: 1fr;
}

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

@media (min-width: 1024px) {
    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-8);
    }
}

.grid-4 {
    display: grid;
    gap: var(--space-6);
    grid-template-columns: 1fr;
}

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

@media (min-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Flex Utilities */
.flex {
    display: flex;
}

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

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

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

/* Spacing Utilities */
.mt-auto {
    margin-top: auto;
}

.mb-auto {
    margin-bottom: auto;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

/* Text Utilities */
.text-center {
    text-align: center;
}

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

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