/* ============================================
   LAYOUT.CSS - Unified Layout System
   Temel body, html, container stilleri
   Responsive breakpoints: 320px - 2560px
   ============================================ */

/* CSS Reset & Base */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    overflow-x: hidden;
    max-width: 100vw;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
    overflow-x: hidden;
    max-width: 100vw;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Modal açıkken body scroll engelle */
body.modal-open {
    overflow: hidden;
    padding-right: 0;
}

/* Ana içerik alanı */
main[role="main"],
.main-content {
    flex: 1 0 auto;
    width: 100%;
    max-width: 100vw;
}

/* Container stilleri */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.container-fluid {
    width: 100%;
    padding: 0 20px;
}

.container-narrow {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.container-wide {
    width: 100%;
    max-width: 1800px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   RESPONSIVE BREAKPOINTS
   ============================================ */

/* Çok küçük ekranlar (320px - 374px) */
@media (max-width: 374px) {
    html {
        font-size: 14px;
    }

    .container,
    .container-fluid,
    .container-narrow,
    .container-wide {
        padding: 0 10px;
    }
}

/* Küçük mobil (375px - 479px) */
@media (min-width: 375px) and (max-width: 479px) {

    .container,
    .container-fluid,
    .container-narrow,
    .container-wide {
        padding: 0 12px;
    }
}

/* Mobil (480px - 639px) */
@media (min-width: 480px) and (max-width: 639px) {

    .container,
    .container-fluid,
    .container-narrow,
    .container-wide {
        padding: 0 15px;
    }
}

/* Tablet küçük (640px - 767px) */
@media (min-width: 640px) and (max-width: 767px) {

    .container,
    .container-fluid,
    .container-narrow,
    .container-wide {
        padding: 0 20px;
    }
}

/* Tablet (768px - 899px) */
@media (min-width: 768px) and (max-width: 899px) {
    .container {
        max-width: 720px;
    }

    .container-narrow {
        max-width: 600px;
    }
}

/* Desktop geçiş (900px - 991px) - Surface Pro vb. */
@media (min-width: 900px) and (max-width: 991px) {
    .container {
        max-width: 100%;
        padding-left: 20px;
        padding-right: 20px;
    }

    .container-narrow {
        max-width: 100%;
        padding-left: 20px;
        padding-right: 20px;
    }
}

/* Desktop normal (992px - 1199px) */
@media (min-width: 992px) and (max-width: 1199px) {
    .container {
        max-width: 960px;
    }

    .container-narrow {
        max-width: 700px;
    }
}

/* Desktop (1200px - 1399px) */
@media (min-width: 1200px) and (max-width: 1399px) {
    .container {
        max-width: 1140px;
    }

    .container-narrow {
        max-width: 800px;
    }
}

/* Desktop büyük (1400px - 1919px) */
@media (min-width: 1400px) and (max-width: 1919px) {
    .container {
        max-width: 1320px;
    }
}

/* Ultra wide (1920px - 2559px) */
@media (min-width: 1920px) and (max-width: 2559px) {
    .container {
        max-width: 1600px;
    }

    .container-wide {
        max-width: 1920px;
    }
}

/* 4K ve üzeri (2560px+) */
@media (min-width: 2560px) {
    html {
        font-size: 18px;
    }

    .container {
        max-width: 1800px;
    }

    .container-wide {
        max-width: 2200px;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

/* Flexbox utilities */
.d-flex {
    display: flex;
}

.d-none {
    display: none;
}

.d-block {
    display: block;
}

.d-inline-block {
    display: inline-block;
}

.flex-row {
    flex-direction: row;
}

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

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

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

.justify-start {
    justify-content: flex-start;
}

.justify-center {
    justify-content: center;
}

.justify-end {
    justify-content: flex-end;
}

.justify-between {
    justify-content: space-between;
}

.justify-around {
    justify-content: space-around;
}

.align-start {
    align-items: flex-start;
}

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

.align-end {
    align-items: flex-end;
}

.align-stretch {
    align-items: stretch;
}

.flex-1 {
    flex: 1;
}

.flex-auto {
    flex: auto;
}

.flex-none {
    flex: none;
}

/* Spacing utilities */
.m-0 {
    margin: 0;
}

.mt-1 {
    margin-top: 0.5rem;
}

.mt-2 {
    margin-top: 1rem;
}

.mt-3 {
    margin-top: 1.5rem;
}

.mt-4 {
    margin-top: 2rem;
}

.mb-1 {
    margin-bottom: 0.5rem;
}

.mb-2 {
    margin-bottom: 1rem;
}

.mb-3 {
    margin-bottom: 1.5rem;
}

.mb-4 {
    margin-bottom: 2rem;
}

.my-1 {
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
}

.my-2 {
    margin-top: 1rem;
    margin-bottom: 1rem;
}

.my-3 {
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
}

.my-4 {
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.p-0 {
    padding: 0;
}

.p-1 {
    padding: 0.5rem;
}

.p-2 {
    padding: 1rem;
}

.p-3 {
    padding: 1.5rem;
}

.p-4 {
    padding: 2rem;
}

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

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

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

.font-bold {
    font-weight: 700;
}

.font-semibold {
    font-weight: 600;
}

.font-medium {
    font-weight: 500;
}

.font-normal {
    font-weight: 400;
}

/* Width utilities */
.w-100 {
    width: 100%;
}

.w-auto {
    width: auto;
}

.max-w-100 {
    max-width: 100%;
}

/* Visibility */
.visible {
    visibility: visible;
}

.invisible {
    visibility: hidden;
}

/* Responsive display utilities */
@media (max-width: 991px) {
    .d-mobile-none {
        display: none;
    }

    .d-mobile-block {
        display: block;
    }

    .d-mobile-flex {
        display: flex;
    }
}

@media (min-width: 992px) {
    .d-desktop-none {
        display: none;
    }

    .d-desktop-block {
        display: block;
    }

    .d-desktop-flex {
        display: flex;
    }
}