/* ═══════════════════════════════════════════════════════════
   İbrahim Yeşil — Base Styles
   Reset, tipografi, layout temelleri
   ═══════════════════════════════════════════════════════════ */

/* ─── Reset & Windows Caret Browsing Fix ─────────────────── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

/* Windows tarayıcılarında metne tıklandığında beliren yanıp sönen cursor imlecini engeller */
*:not(input):not(textarea):not([contenteditable="true"]) {
    caret-color: transparent !important;
}

*:focus:not(input):not(textarea):not([contenteditable="true"]) {
    outline: none !important;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

html[lang="en"] {
    font-language-override: "ENG";
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-body);
    font-weight: var(--weight-regular);
    line-height: var(--leading-normal);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    overflow-x: hidden;
    min-height: 100vh;
}

/* Sayfa geçiş animasyonu için */
body.page-transitioning {
    overflow: hidden;
}

/* ─── Tipografi ──────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--weight-bold);
    line-height: 1.28;
    letter-spacing: var(--tracking-tight);
    color: var(--color-text-primary);
    padding-top: 2px;
    padding-bottom: 2px;
}

h1 { font-size: var(--text-h1); }
h2 { font-size: var(--text-h2); }
h3 { font-size: var(--text-h3); }
h4 { font-size: var(--text-h4); }

p {
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    max-width: 65ch;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
}

a:hover {
    color: var(--color-accent-hover);
}

strong { font-weight: var(--weight-semibold); }
em { font-style: italic; }

small {
    font-size: var(--text-small);
    color: var(--color-text-tertiary);
}

::selection {
    background: var(--color-accent);
    color: #fff;
}

/* ─── Layout ─────────────────────────────────────────────── */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

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

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

.section {
    padding: var(--section-padding) 0;
    position: relative;
}

.section--dark {
    background: var(--color-bg-secondary);
}

.section--elevated {
    background: var(--color-bg-tertiary);
}

/* ─── Section Headers ────────────────────────────────────── */
.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-header__label {
    display: inline-block;
    font-size: var(--text-small);
    font-weight: var(--weight-semibold);
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    margin-bottom: var(--space-4);
}

.section-header__title {
    font-size: var(--text-display);
    font-weight: var(--weight-extrabold);
    margin-bottom: var(--space-4);
    background: var(--color-gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header__description {
    font-size: var(--text-body-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ─── Grid Utilities ─────────────────────────────────────── */
.grid {
    display: grid;
    gap: var(--space-8);
}

.grid--align-start {
    align-items: start !important;
}

.grid--align-start > * {
    height: auto !important;
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* Masonry tile layout using CSS columns — cards flow at natural content heights */
.grid--masonry {
    display: block !important;
    columns: 3;
    column-gap: var(--space-8);
}
.grid--masonry > * {
    break-inside: avoid !important;
    page-break-inside: avoid !important;
    -webkit-column-break-inside: avoid !important;
    margin-bottom: var(--space-8);
    display: inline-block !important;
    width: 100% !important;
    vertical-align: top;
    height: auto !important;
}
@media (max-width: 768px) {
    .grid--masonry { columns: 1; }
}
@media (min-width: 769px) and (max-width: 1024px) {
    .grid--masonry { columns: 2; }
}

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

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

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

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

/* ─── Images ─────────────────────────────────────────────── */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ─── Lists ──────────────────────────────────────────────── */
ul, ol {
    list-style: none;
}

/* ─── Custom Scrollbar ───────────────────────────────────── */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-text-quaternary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-tertiary);
}

/* Firefox scrollbar */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--color-text-quaternary) var(--color-bg-primary);
}

/* ─── Utility Classes ────────────────────────────────────── */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-gradient {
    background: var(--color-gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.relative { position: relative; }
.overflow-hidden { overflow: hidden; }