/**
 * Erden Yapı - Grid & Layout Sistemi
 */

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

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

.container-fluid {
    width: 100%;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

/* Bölüm Dikey Boşlukları (Vertical Rhythm) */
.section-py {
    padding-top: clamp(3rem, 6vw, 5.5rem);
    padding-bottom: clamp(3rem, 6vw, 5.5rem);
}

.section-py-sm {
    padding-top: clamp(2rem, 4vw, 3.5rem);
    padding-bottom: clamp(2rem, 4vw, 3.5rem);
}

.section-py-lg {
    padding-top: clamp(4rem, 8vw, 7.5rem);
    padding-bottom: clamp(4rem, 8vw, 7.5rem);
}

/* Zemin Varyasyonları */
.bg-surface { background-color: var(--color-surface); }
.bg-subtle { background-color: var(--color-surface-subtle); }
.bg-muted { background-color: var(--color-surface-muted); }
.bg-primary { 
    background-color: var(--color-primary); 
    color: var(--color-text-inverse); 
}
.bg-primary-dark { 
    background-color: var(--color-primary-dark); 
    color: var(--color-text-inverse); 
}

/* Bölüm Başlığı Bloğu (Section Header) */
.section-header {
    margin-bottom: clamp(2.5rem, 5vw, 4rem);
    text-align: center;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.section-header.text-left {
    text-align: left;
    margin-left: 0;
    margin-right: 0;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0.35rem 0.9rem;
    background-color: var(--color-accent-light);
    color: var(--color-accent-hover);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: var(--space-3);
    border: 1px solid rgba(217, 119, 6, 0.2);
}

.section-badge-dark {
    background-color: rgba(255, 255, 255, 0.08);
    color: #fde68a;
    border-color: rgba(253, 230, 138, 0.2);
}

.section-title {
    margin-bottom: var(--space-3);
}

.bg-primary .section-title,
.bg-primary-dark .section-title {
    color: var(--color-text-inverse);
}

.section-desc {
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
    color: var(--color-text-muted);
}

.bg-primary .section-desc,
.bg-primary-dark .section-desc {
    color: var(--color-text-inverse-muted);
}

/* Modern CSS Grid Yapısı */
.grid {
    display: grid;
    gap: var(--space-6);
}

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

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

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

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

@media (min-width: 768px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }
    .grid-4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Flexbox Yardımcıları */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Görünürlük Yardımcıları */
.hide-mobile {
    display: none !important;
}

@media (min-width: 1024px) {
    .hide-mobile {
        display: flex !important;
    }
    .hide-desktop {
        display: none !important;
    }
}