/* =========================================================================
   TEMEL KATMAN — reset, tipografi, yerleşim ilkelleri, hareket
   ========================================================================= */

*,
*::before,
*::after {
	box-sizing: border-box;
}

html {
	-webkit-text-size-adjust: 100%;
	scroll-behavior: smooth;
	scroll-padding-top: calc(var(--md-header-h-sticky) + 1.5rem);
	overflow-x: hidden;
}

body {
	margin: 0;
	background-color: var(--md-bg);
	color: var(--md-text);
	font-family: var(--md-font-body);
	font-size: var(--md-fs-base);
	line-height: var(--md-lh-base);
	font-feature-settings: "tnum" 1, "cv05" 1;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	overflow-x: hidden;
	transition: background-color var(--md-dur) var(--md-ease), color var(--md-dur) var(--md-ease);
}

/* Tema geçişi sırasında tüm yüzeyleri birlikte yumuşat. */
body.md-theme-switching,
body.md-theme-switching * {
	transition: background-color var(--md-dur) var(--md-ease),
		border-color var(--md-dur) var(--md-ease),
		color var(--md-dur) var(--md-ease) !important;
}

img,
picture,
video,
canvas,
svg {
	display: block;
	max-width: 100%;
}

img {
	height: auto;
	border-style: none;
}

input,
button,
textarea,
select {
	font: inherit;
	color: inherit;
}

button {
	cursor: pointer;
	background: none;
	border: 0;
	padding: 0;
}

a {
	color: inherit;
	text-decoration: none;
	transition: color var(--md-dur-fast) var(--md-ease);
}

hr {
	border: 0;
	border-top: 1px solid var(--md-border);
	margin: var(--md-s-8) 0;
}

::selection {
	background: var(--md-accent);
	color: var(--md-on-accent);
}

/* Odak halkası — klavye kullanıcısı için her zaman görünür. */
:focus-visible {
	outline: 2px solid var(--md-accent);
	outline-offset: 3px;
	border-radius: var(--md-r-xs);
}

/* Kaydırma çubuğu, koyu temada zemine gömülür. */
* {
	scrollbar-width: thin;
	scrollbar-color: var(--md-border-strong) transparent;
}

*::-webkit-scrollbar {
	width: 10px;
	height: 10px;
}

*::-webkit-scrollbar-track {
	background: transparent;
}

*::-webkit-scrollbar-thumb {
	background: var(--md-border-strong);
	border: 3px solid var(--md-bg);
	border-radius: var(--md-r-full);
}

/* -------------------------------------------------------------------------
   TİPOGRAFİ
   ---------------------------------------------------------------------- */

h1, h2, h3, h4, h5, h6 {
	margin: 0;
	font-family: var(--md-font-display);
	font-weight: 600;
	line-height: var(--md-lh-snug);
	letter-spacing: var(--md-ls-heading);
	color: var(--md-text);
	text-wrap: balance;
}

h1 { font-size: var(--md-fs-h1); }
h2 { font-size: var(--md-fs-h2); }
h3 { font-size: var(--md-fs-h3); }
h4 { font-size: var(--md-fs-h4); }
h5 { font-size: var(--md-fs-h5); }
h6 { font-size: var(--md-fs-base); }

p {
	margin: 0 0 1.1em;
	text-wrap: pretty;
}

p:last-child {
	margin-bottom: 0;
}

strong, b { font-weight: 600; }

small { font-size: var(--md-fs-xs); }

ul, ol {
	margin: 0 0 1.1em;
	padding-left: 1.25rem;
}

li + li { margin-top: 0.35em; }

blockquote {
	margin: var(--md-s-8) 0;
	padding: var(--md-s-6) var(--md-s-8);
	border-left: 2px solid var(--md-accent);
	background: var(--md-surface-2);
	font-family: var(--md-font-display);
	font-size: var(--md-fs-h4);
	line-height: 1.45;
	letter-spacing: -0.015em;
}

blockquote cite {
	display: block;
	margin-top: var(--md-s-4);
	font-family: var(--md-font-body);
	font-size: var(--md-fs-sm);
	font-style: normal;
	color: var(--md-text-2);
}

code, pre, kbd {
	font-family: ui-monospace, "SFMono-Regular", "Cascadia Mono", Menlo, monospace;
	font-size: 0.9em;
}

code {
	padding: 0.15em 0.4em;
	background: var(--md-surface-2);
	border: 1px solid var(--md-border);
	border-radius: var(--md-r-xs);
}

figure { margin: var(--md-s-8) 0; }

figcaption {
	margin-top: var(--md-s-3);
	font-size: var(--md-fs-xs);
	color: var(--md-text-3);
}

table {
	width: 100%;
	border-collapse: collapse;
}

/* -------------------------------------------------------------------------
   TİPOGRAFİ YARDIMCILARI
   ---------------------------------------------------------------------- */

.md-display {
	font-family: var(--md-font-display);
	font-size: var(--md-fs-display);
	font-weight: 600;
	line-height: var(--md-lh-tight);
	letter-spacing: var(--md-ls-display);
}

/* Üst etiket: küçük, aralıklı, versal. Bölümlerin kimlik satırı. */
.md-eyebrow {
	display: inline-flex;
	align-items: center;
	gap: 0.6rem;
	margin: 0 0 var(--md-s-4);
	font-family: var(--md-font-body);
	font-size: var(--md-fs-2xs);
	font-weight: 600;
	letter-spacing: var(--md-ls-caps);
	text-transform: uppercase;
	color: var(--md-text-3);
}

.md-eyebrow::before {
	content: "";
	width: 22px;
	height: 1px;
	background: var(--md-accent);
	flex: none;
}

.md-eyebrow--plain::before { display: none; }

.md-eyebrow--accent { color: var(--md-accent); }

.md-lead {
	font-size: var(--md-fs-xl);
	line-height: 1.62;
	color: var(--md-text-2);
	max-width: 58ch;
}

.md-muted  { color: var(--md-text-2); }
.md-dim    { color: var(--md-text-3); }
.md-accent { color: var(--md-accent); }

.md-nums {
	font-variant-numeric: tabular-nums;
	font-feature-settings: "tnum" 1;
}

/* Turuncu alt çizgi — marka imzası. */
.md-rule {
	width: 56px;
	height: 2px;
	background: var(--md-accent);
	border: 0;
	margin: var(--md-s-6) 0 0;
}

.md-balance { text-wrap: balance; }

/* -------------------------------------------------------------------------
   YERLEŞİM İLKELLERİ
   ---------------------------------------------------------------------- */

.md-container {
	width: 100%;
	max-width: calc(var(--md-container) + var(--md-gutter) * 2);
	margin-inline: auto;
	padding-inline: var(--md-gutter);
}

.md-container--wide {
	max-width: calc(var(--md-container-wide) + var(--md-gutter) * 2);
}

.md-container--text {
	max-width: calc(var(--md-container-text) + var(--md-gutter) * 2);
}

.md-section {
	padding-block: var(--md-section-y);
	position: relative;
}

.md-section--sm { padding-block: var(--md-section-y-sm); }
.md-section--top-0 { padding-top: 0; }
.md-section--bottom-0 { padding-bottom: 0; }

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

.md-section--line { border-top: 1px solid var(--md-border); }

/* 12 kolonlu mimari ızgara. */
.md-grid {
	display: grid;
	grid-template-columns: repeat(12, minmax(0, 1fr));
	gap: var(--md-grid-gap);
}

/* Otomatik kart ızgaraları. */
.md-cards {
	display: grid;
	gap: var(--md-grid-gap);
	grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr));
}

.md-cards--2 { grid-template-columns: repeat(auto-fill, minmax(min(100%, 460px), 1fr)); }
.md-cards--4 { grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr)); }

.md-stack       { display: flex; flex-direction: column; }
.md-stack > * + * { margin-top: var(--md-s-4); }
.md-stack--lg > * + * { margin-top: var(--md-s-8); }

.md-row {
	display: flex;
	align-items: center;
	gap: var(--md-s-3);
	flex-wrap: wrap;
}

.md-row--between { justify-content: space-between; }
.md-row--end     { justify-content: flex-end; }
.md-row--tight   { gap: var(--md-s-2); }

/* Kenardan kenara görsel bloklar. */
.md-bleed {
	width: 100vw;
	margin-left: 50%;
	transform: translateX(-50%);
}

/* -------------------------------------------------------------------------
   ERİŞİLEBİLİRLİK
   ---------------------------------------------------------------------- */

.screen-reader-text,
.md-sr-only {
	position: absolute !important;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.md-skip-link {
	position: absolute;
	top: -100px;
	left: var(--md-s-4);
	z-index: var(--md-z-toast);
	padding: 0.85rem 1.4rem;
	background: var(--md-accent);
	color: var(--md-on-accent);
	font-weight: 600;
	font-size: var(--md-fs-sm);
	border-radius: var(--md-r-sm);
	transition: top var(--md-dur-fast) var(--md-ease);
}

.md-skip-link:focus {
	top: var(--md-s-4);
}

/* -------------------------------------------------------------------------
   HAREKET — kaydırmayla ortaya çıkış
   ---------------------------------------------------------------------- */

.md-reveal {
	opacity: 0;
	transform: translateY(24px);
	transition:
		opacity var(--md-dur-slow) var(--md-ease-out),
		transform var(--md-dur-slow) var(--md-ease-out);
	transition-delay: var(--md-reveal-delay, 0ms);
	will-change: opacity, transform;
}

.md-reveal.is-visible {
	opacity: 1;
	transform: none;
}

.md-reveal--fade { transform: none; }
.md-reveal--left { transform: translateX(-28px); }
.md-reveal--right { transform: translateX(28px); }
.md-reveal--scale { transform: scale(0.97); }

/* JavaScript devre dışıysa hiçbir içerik gizli kalmaz. */
.no-js .md-reveal {
	opacity: 1;
	transform: none;
}

@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }

	*,
	*::before,
	*::after {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
		scroll-behavior: auto !important;
	}

	.md-reveal {
		opacity: 1 !important;
		transform: none !important;
	}
}

/* -------------------------------------------------------------------------
   İKONLAR
   ---------------------------------------------------------------------- */

.md-icon {
	flex: none;
	display: inline-block;
	vertical-align: middle;
}

.md-icon--accent { color: var(--md-accent); }

/* -------------------------------------------------------------------------
   GÖRSEL ÇERÇEVELERİ
   ---------------------------------------------------------------------- */

.md-media {
	position: relative;
	overflow: hidden;
	background: var(--md-surface-2);
	isolation: isolate;
}

.md-media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform var(--md-dur-slow) var(--md-ease-out);
}

.md-media--16-10 { aspect-ratio: 16 / 10; }
.md-media--16-9  { aspect-ratio: 16 / 9; }
.md-media--3-2   { aspect-ratio: 3 / 2; }
.md-media--4-3   { aspect-ratio: 4 / 3; }
.md-media--1-1   { aspect-ratio: 1 / 1; }
.md-media--4-5   { aspect-ratio: 4 / 5; }
.md-media--3-4   { aspect-ratio: 3 / 4; }

.md-media__scrim {
	position: absolute;
	inset: 0;
	background: var(--md-scrim);
	pointer-events: none;
}

/* Görsel yokken gösterilen mimari desen. */
.md-media__placeholder {
	position: absolute;
	inset: 0;
	display: grid;
	place-items: center;
	color: var(--md-text-3);
	background:
		linear-gradient(135deg, var(--md-surface-2) 0%, var(--md-surface-3) 100%);
}

.md-media__placeholder::after {
	content: "";
	position: absolute;
	inset: 0;
	opacity: 0.35;
	background-image:
		linear-gradient(var(--md-border) 1px, transparent 1px),
		linear-gradient(90deg, var(--md-border) 1px, transparent 1px);
	background-size: 28px 28px;
}

.md-media__placeholder .md-icon {
	position: relative;
	z-index: 1;
}