/* ==========================================================================
   GPUFIX — lab terminal teması
   ========================================================================== */

:root {
	--bg: #07090c;
	--bg-2: #0a0d12;
	--surface: #0e1319;
	--surface-2: #121922;
	--line: rgba(255, 255, 255, 0.075);
	--line-2: rgba(255, 255, 255, 0.14);
	--text: #e8edf2;
	--muted: #8b97a4;
	--dim: #5a6571;
	--accent: #2a9dff;
	--accent-2: #6cbcff;
	--accent-ink: #03111f;
	--accent-soft: rgba(42, 157, 255, 0.12);
	--ok: #3ddc97;
	--err: #ff5f57;

	--font: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
	--mono: "Geist Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

	--max: 1200px;
	--gutter: clamp(16px, 4vw, 40px);
	--radius: 12px;
	--header-h: 68px;
	--ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

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

html {
	scroll-behavior: smooth;
	scroll-padding-top: calc(var(--header-h) + 16px);
	-webkit-text-size-adjust: 100%;
}

body {
	margin: 0;
	background: var(--bg);
	color: var(--text);
	font-family: var(--font);
	font-size: 16px;
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	text-rendering: optimizeLegibility;
	overflow-x: hidden;
}

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

/* İkon seti: <use> ile çağrılan çizgi ikonlar */
.icon { flex: none; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.wordmark-mark { fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
::selection { background: var(--accent); color: var(--accent-ink); }

:focus-visible {
	outline: 2px solid var(--accent);
	outline-offset: 3px;
	border-radius: 4px;
}

.screen-reader-text {
	position: absolute !important;
	width: 1px; height: 1px;
	overflow: hidden;
	clip: rect(1px, 1px, 1px, 1px);
	white-space: nowrap;
}

.skip-link {
	position: absolute;
	left: 16px; top: -60px;
	z-index: 100;
	padding: 10px 14px;
	background: var(--accent);
	color: var(--accent-ink);
	border-radius: 8px;
	font-weight: 600;
}
.skip-link:focus { top: 12px; }

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

.accent { color: var(--accent); }
.muted { color: var(--muted); }
.dim { color: var(--dim); }

.mono-label {
	font-family: var(--mono);
	font-size: 12px;
	font-weight: 500;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--muted);
}

/* --------------------------------------------------------------------------
   Butonlar
   -------------------------------------------------------------------------- */

.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 10px;
	min-height: 48px;
	padding: 0 22px;
	border: 1px solid transparent;
	border-radius: 999px;
	font-size: 15px;
	font-weight: 500;
	line-height: 1;
	cursor: pointer;
	white-space: nowrap;
	transition: background-color .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease), transform .2s var(--ease);
}
.btn .icon { width: 18px; height: 18px; flex: none; }
.btn .icon-arrow { transition: transform .2s var(--ease); }
.btn:hover .icon-arrow { transform: translateX(3px); }
.btn:active { transform: translateY(1px); }

.btn-accent { background: var(--accent); color: var(--accent-ink); }
.btn-accent:hover { background: var(--accent-2); }

.btn-ghost { border-color: var(--line-2); color: var(--text); background: transparent; }
.btn-ghost:hover { border-color: var(--text); }

.btn-sm { min-height: 40px; padding: 0 16px; font-size: 14px; }
.btn-block { width: 100%; }

.link {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	color: var(--accent);
	font-size: 14px;
	font-weight: 500;
}
.link .icon { width: 14px; height: 14px; }
.link:hover { color: var(--accent-2); }

/* --------------------------------------------------------------------------
   Durum rozeti (açık / kapalı)
   -------------------------------------------------------------------------- */

.status {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 5px 11px 5px 9px;
	border: 1px solid var(--line-2);
	border-radius: 999px;
	font-family: var(--mono);
	font-size: 12px;
	letter-spacing: 0.04em;
	color: var(--text);
	background: rgba(255, 255, 255, 0.02);
}
.status[hidden] { display: none; }
.status-dot {
	width: 7px; height: 7px;
	border-radius: 50%;
	background: var(--dim);
}
.status.is-open .status-dot {
	background: var(--ok);
	box-shadow: 0 0 0 0 rgba(61, 220, 151, .6);
	animation: pulse 2.2s infinite;
}
.status.is-closed .status-dot { background: var(--err); }
.status-inline { margin-top: 14px; }

@keyframes pulse {
	0% { box-shadow: 0 0 0 0 rgba(61, 220, 151, .55); }
	70% { box-shadow: 0 0 0 7px rgba(61, 220, 151, 0); }
	100% { box-shadow: 0 0 0 0 rgba(61, 220, 151, 0); }
}

/* --------------------------------------------------------------------------
   Başlık
   -------------------------------------------------------------------------- */

.site-header {
	position: fixed;
	inset: 0 0 auto 0;
	z-index: 50;
	height: var(--header-h);
	border-bottom: 1px solid transparent;
	transition: background-color .3s var(--ease), border-color .3s var(--ease), backdrop-filter .3s;
}

.site-header.is-scrolled,
.site-header.is-open {
	background: rgba(7, 9, 12, 0.78);
	border-bottom-color: var(--line);
	-webkit-backdrop-filter: blur(14px) saturate(140%);
	backdrop-filter: blur(14px) saturate(140%);
}

.header-inner {
	display: flex;
	align-items: center;
	gap: 32px;
	height: 100%;
}

.brand { display: inline-flex; align-items: center; flex: none; }
.brand-logo img { max-height: 40px; width: auto; }

.wordmark {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	color: var(--text);
}
.wordmark-mark { color: var(--accent); }
.wordmark-core { fill: var(--accent); }
.wordmark-text {
	font-family: var(--mono);
	font-size: 18px;
	font-weight: 500;
	letter-spacing: 0.06em;
}
.wordmark-text b { font-weight: 500; color: var(--accent); }

.nav { margin-left: auto; }
.nav-list { display: flex; gap: 4px; }
.nav-list a {
	display: block;
	padding: 8px 12px;
	border-radius: 8px;
	font-size: 14px;
	color: var(--muted);
	transition: color .2s;
}
.nav-list a:hover,
.nav-list a.is-active { color: var(--text); }
.nav-mobile-extra { display: none; }

.header-actions { display: flex; align-items: center; gap: 10px; }

/* Dil anahtarı: TR | EN */
.lang-switch {
	position: relative;
	display: inline-flex;
	padding: 3px;
	border: 1px solid var(--line-2);
	border-radius: 999px;
	background: rgba(255, 255, 255, .02);
}
.lang-switch a {
	display: inline-grid;
	place-items: center;
	min-width: 38px;
	height: 32px;
	padding: 0 10px;
	border-radius: 999px;
	font-family: var(--mono);
	font-size: 12px;
	font-weight: 500;
	letter-spacing: .08em;
	color: var(--muted);
	transition: color .2s, background-color .2s;
}
.lang-switch a:hover { color: var(--text); }
.lang-switch a[aria-current="page"] {
	background: var(--text);
	color: var(--bg);
	pointer-events: none;
}
@media (max-width: 380px) {
	.lang-switch a { min-width: 32px; padding: 0 7px; }
	.header-actions { gap: 6px; }
}

.nav-toggle {
	display: none;
	width: 44px; height: 44px;
	padding: 0;
	border: 1px solid var(--line-2);
	border-radius: 999px;
	background: transparent;
	cursor: pointer;
	position: relative;
}
.nav-toggle-bars,
.nav-toggle-bars::before {
	position: absolute;
	left: 50%;
	width: 16px; height: 1.5px;
	background: var(--text);
	transform: translateX(-50%);
	transition: transform .25s var(--ease), top .25s var(--ease);
}
.nav-toggle-bars { top: 18px; }
.nav-toggle-bars::before { content: ""; top: 6px; }
.is-open .nav-toggle-bars { top: 21px; transform: translateX(-50%) rotate(45deg); }
.is-open .nav-toggle-bars::before { top: 0; transform: translateX(-50%) rotate(-90deg); }

@media (max-width: 900px) {
	.nav-toggle { display: block; }
	.header-actions .btn span { display: none; }
	.header-actions .btn { width: 44px; padding: 0; }
	.header-actions { margin-left: auto; }

	.nav {
		position: fixed;
		inset: var(--header-h) 0 auto 0;
		padding: 8px var(--gutter) 24px;
		background: rgba(7, 9, 12, 0.96);
		-webkit-backdrop-filter: blur(14px);
		backdrop-filter: blur(14px);
		border-bottom: 1px solid var(--line);
		opacity: 0;
		visibility: hidden;
		transform: translateY(-8px);
		transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
	}
	.is-open .nav { opacity: 1; visibility: visible; transform: none; }
	.nav-list { flex-direction: column; gap: 0; }
	.nav-list a {
		padding: 16px 0;
		font-size: 20px;
		color: var(--text);
		border-bottom: 1px solid var(--line);
		border-radius: 0;
	}
	.nav-mobile-extra { display: block; margin-top: 20px; }
	.nav-mobile-extra .btn { width: 100%; }
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero {
	position: relative;
	padding: calc(var(--header-h) + clamp(40px, 8vh, 96px)) 0 0;
	overflow: hidden;
	isolation: isolate;
}

.hero-bg {
	position: absolute;
	inset: 0;
	z-index: -1;
	background-image:
		linear-gradient(var(--line) 1px, transparent 1px),
		linear-gradient(90deg, var(--line) 1px, transparent 1px);
	background-size: 64px 64px;
	background-position: center top;
	-webkit-mask-image: radial-gradient(ellipse 70% 60% at 65% 35%, #000 0%, transparent 75%);
	mask-image: radial-gradient(ellipse 70% 60% at 65% 35%, #000 0%, transparent 75%);
}
.hero-bg::after {
	content: "";
	position: absolute;
	width: 680px; height: 680px;
	right: -140px; top: -120px;
	background: radial-gradient(circle, rgba(42, 157, 255, .16), transparent 62%);
}

.hero-inner {
	display: grid;
	grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
	align-items: center;
	gap: clamp(32px, 5vw, 72px);
}

.hero-kicker {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 12px 16px;
	margin-bottom: 28px;
}

.hero-title {
	font-size: clamp(2.6rem, 5.6vw, 4.75rem);
	font-weight: 600;
	line-height: 1.02;
	letter-spacing: -0.04em;
	text-wrap: balance;
}

.hero-lead {
	max-width: 33rem;
	margin-top: 24px;
	font-size: clamp(1rem, 1.3vw, 1.125rem);
	color: var(--muted);
}

.hero-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	margin-top: 36px;
}

/* Şema */
.hero-visual {
	position: relative;
	padding-bottom: 140px;
}

.board {
	width: 100%;
	height: auto;
	overflow: visible;
	color: var(--muted);
}
.board .pcb { fill: var(--surface); stroke: var(--line-2); stroke-width: 1; }
.board .holes circle { fill: var(--bg); stroke: var(--line-2); }
.board .finger { fill: rgba(42, 157, 255, .14); stroke: rgba(42, 157, 255, .35); stroke-width: .6; }
.board .traces { fill: none; stroke: var(--line-2); stroke-width: 1; }
.board .power path { fill: none; stroke: rgba(42, 157, 255, .35); stroke-width: 1.6; }
.board .power.flow path {
	stroke: var(--accent);
	stroke-dasharray: 3 14;
	animation: flow 1.4s linear infinite;
}
.board .pkg { fill: var(--surface-2); stroke: var(--line-2); }
.board .die { color: var(--accent); stroke: rgba(42, 157, 255, .55); stroke-width: 1; }
.board .vram rect { fill: var(--surface-2); stroke: var(--line-2); }
.board .choke { fill: var(--surface-2); stroke: var(--line-2); }
.board .mosfet { fill: var(--bg-2); stroke: var(--line-2); transition: fill .3s, stroke .3s; }
.board .mosfet.is-fault { stroke: var(--dim); }
.board .callout { fill: none; stroke: var(--dim); stroke-dasharray: 2 3; transition: stroke .3s; }
.board .lbl {
	font-family: var(--mono);
	font-size: 10px;
	letter-spacing: .08em;
	fill: var(--dim);
}
.board .lbl-c { text-anchor: middle; }
.board .lbl-val { fill: var(--accent); }
.board .lbl-fault { transition: fill .3s; }
.board .probe { fill: var(--accent); }
.board .probe-alt { fill: var(--ok); }
.board .probe { transform-box: fill-box; transform-origin: center; animation: probe 2.4s var(--ease) infinite; }
.board .probe:nth-child(2) { animation-delay: .8s; }
.board .probe:nth-child(3) { animation-delay: 1.6s; }
.board .scan-stop-0 { stop-color: var(--accent); stop-opacity: 0; }
.board .scan-stop-1 { stop-color: var(--accent); stop-opacity: .22; }
.board .scan { animation: scan 6s var(--ease) infinite; }

[data-diag].state-fault .mosfet.is-fault { fill: rgba(255, 95, 87, .35); stroke: var(--err); }
[data-diag].state-fault .callout { stroke: var(--err); }
[data-diag].state-fault .lbl-fault { fill: var(--err); }
[data-diag].state-fixed .mosfet.is-fault { fill: rgba(61, 220, 151, .25); stroke: var(--ok); }
[data-diag].state-fixed .callout { stroke: var(--ok); }
[data-diag].state-fixed .lbl-fault { fill: var(--ok); }

@keyframes flow { to { stroke-dashoffset: -34; } }
@keyframes scan { 0% { transform: translateY(0); } 100% { transform: translateY(372px); } }
@keyframes probe { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.6); opacity: .55; } }

/* Terminal */
.diag {
	position: absolute;
	right: -8px;
	bottom: 0;
	width: min(330px, 78%);
	border: 1px solid var(--line-2);
	border-radius: var(--radius);
	background: rgba(10, 13, 18, .92);
	-webkit-backdrop-filter: blur(10px);
	backdrop-filter: blur(10px);
	box-shadow: 0 30px 60px -20px rgba(0, 0, 0, .8);
	font-family: var(--mono);
	font-size: 12px;
	line-height: 1.5;
	overflow: hidden;
}
.diag-head {
	display: flex;
	align-items: center;
	gap: 12px;
	padding: 9px 14px;
	border-bottom: 1px solid var(--line);
	color: var(--dim);
	font-size: 11px;
}
.diag-dots { display: inline-flex; gap: 5px; }
.diag-dots i { width: 7px; height: 7px; border-radius: 50%; background: var(--line-2); }
.diag-lines { padding: 10px 14px 12px; min-height: 178px; }
.diag-lines li {
	display: flex;
	align-items: baseline;
	gap: 8px;
	color: var(--text);
	white-space: nowrap;
}
.diag-lines .d { flex: 1; border-bottom: 1px dotted var(--line-2); transform: translateY(-3px); }
.diag-lines .v { color: var(--muted); }
.diag-lines .s { min-width: 42px; text-align: right; font-weight: 500; }
.diag-lines .ok { color: var(--ok); }
.diag-lines .err { color: var(--err); }
.js .diag-lines li { opacity: 0; transform: translateY(3px); transition: opacity .25s, transform .25s; }
.js .diag-lines li.is-on { opacity: 1; transform: none; }

/* Özellik şeridi */
.specs {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	margin-top: clamp(48px, 7vw, 88px);
	border-top: 1px solid var(--line);
	border-bottom: 1px solid var(--line);
}
.spec { padding: 24px 0 26px; }
.spec + .spec { padding-left: 28px; border-left: 1px solid var(--line); }
.spec dt {
	font-family: var(--mono);
	font-size: 11px;
	letter-spacing: .1em;
	text-transform: uppercase;
	color: var(--dim);
}
.spec dd {
	margin-top: 8px;
	font-size: clamp(1.4rem, 2.4vw, 2rem);
	font-weight: 500;
	letter-spacing: -0.02em;
}
.spec dd small { font-size: .55em; color: var(--muted); letter-spacing: 0; }

@media (max-width: 960px) {
	.hero-inner { grid-template-columns: 1fr; }
	.hero-visual { max-width: 620px; }
	.specs { grid-template-columns: repeat(2, 1fr); }
	.spec:nth-child(3) { padding-left: 0; border-left: 0; }
	.spec:nth-child(n+3) { border-top: 1px solid var(--line); }
}
@media (max-width: 560px) {
	.diag { position: relative; right: auto; width: 100%; margin-top: -24px; }
	.hero-visual { padding-bottom: 0; }
	.spec + .spec { padding-left: 16px; }
	.spec:nth-child(3) { padding-left: 0; }
	.hero-actions .btn { flex: 1 1 100%; }
}

/* --------------------------------------------------------------------------
   Bölümler
   -------------------------------------------------------------------------- */

.section { padding: clamp(80px, 11vw, 144px) 0; }
.section-alt { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.sec-head { max-width: 760px; margin-bottom: clamp(40px, 6vw, 72px); }
.sec-label {
	display: flex;
	align-items: center;
	gap: 12px;
	margin-bottom: 20px;
	font-family: var(--mono);
	font-size: 12px;
	letter-spacing: .1em;
	text-transform: uppercase;
	color: var(--muted);
}
.sec-label span {
	color: var(--accent);
	padding-right: 12px;
	border-right: 1px solid var(--line-2);
}
.sec-title {
	font-size: clamp(2rem, 4.2vw, 3.25rem);
	font-weight: 600;
	line-height: 1.06;
	letter-spacing: -0.035em;
	text-wrap: balance;
}
.sec-lead {
	max-width: 36rem;
	margin-top: 20px;
	font-size: 1.0625rem;
	color: var(--muted);
}
.sec-lead a { color: var(--accent); }

/* Hizmetler */
.services {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	border-top: 1px solid var(--line);
}
.service {
	position: relative;
	display: grid;
	grid-template-columns: 48px minmax(0, 1fr) auto;
	gap: 20px;
	align-items: start;
	padding: 28px 24px 28px 0;
	border-bottom: 1px solid var(--line);
	transition: background-color .25s var(--ease);
}
.service:nth-child(even) { padding-left: 32px; padding-right: 0; border-left: 1px solid var(--line); }
.service::before {
	content: "";
	position: absolute;
	left: 0; top: -1px;
	width: 0; height: 1px;
	background: var(--accent);
	transition: width .4s var(--ease);
}
.service:hover::before { width: 100%; }
.service-icon {
	display: grid;
	place-items: center;
	width: 48px; height: 48px;
	border: 1px solid var(--line-2);
	border-radius: 10px;
	color: var(--muted);
	transition: color .25s, border-color .25s, background-color .25s;
}
.service:hover .service-icon { color: var(--accent); border-color: rgba(42, 157, 255, .4); background: var(--accent-soft); }
.service h3 { font-size: 1.125rem; font-weight: 500; letter-spacing: -0.01em; }
.service p { margin-top: 6px; font-size: .95rem; color: var(--muted); }
.service-idx { font-family: var(--mono); font-size: 11px; color: var(--dim); letter-spacing: .08em; padding-top: 4px; }

@media (max-width: 760px) {
	.services { grid-template-columns: 1fr; }
	.service, .service:nth-child(even) { padding: 24px 0; border-left: 0; }
	.service { grid-template-columns: 44px minmax(0, 1fr) auto; gap: 16px; }
	.service-icon { width: 44px; height: 44px; }
}

/* Arıza rehberi */
.guide {
	display: grid;
	grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
	gap: clamp(24px, 4vw, 56px);
	align-items: start;
}
.guide-list { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.guide-btn {
	display: flex;
	align-items: center;
	gap: 16px;
	width: 100%;
	padding: 18px 4px;
	border: 0;
	border-bottom: 1px solid var(--line);
	background: none;
	text-align: left;
	font-size: 1.0625rem;
	color: var(--muted);
	cursor: pointer;
	transition: color .2s, padding .3s var(--ease);
}
.guide-idx { font-family: var(--mono); font-size: 11px; color: var(--dim); letter-spacing: .08em; }
.guide-btn:hover { color: var(--text); }
.guide-btn[aria-pressed="true"] { color: var(--text); padding-left: 14px; }
.guide-btn[aria-pressed="true"] .guide-idx { color: var(--accent); }
.guide-btn[aria-pressed="true"]::after {
	content: "→";
	margin-left: auto;
	font-family: var(--mono);
	color: var(--accent);
}

.guide-panel {
	position: sticky;
	top: calc(var(--header-h) + 24px);
	padding: clamp(24px, 3vw, 36px);
	border: 1px solid var(--line-2);
	border-radius: var(--radius);
	background: var(--surface);
}
.guide-result[hidden] { display: none; }
.guide-result { animation: fade-up .35s var(--ease); }
.term {
	padding-bottom: 20px;
	margin-bottom: 24px;
	border-bottom: 1px solid var(--line);
	font-family: var(--mono);
	font-size: 14px;
	color: var(--muted);
}
.term b { color: var(--text); font-weight: 500; }
.caret {
	display: inline-block;
	width: 8px; height: 15px;
	margin-left: 4px;
	vertical-align: -2px;
	background: var(--accent);
	animation: blink 1s steps(1) infinite;
}
.guide-result .mono-label { margin-bottom: 12px; font-size: 11px; color: var(--dim); }
.causes { margin-bottom: 28px; }
.causes li {
	position: relative;
	padding: 8px 0 8px 22px;
	font-size: 1.0625rem;
}
.causes li::before {
	content: "";
	position: absolute;
	left: 2px; top: 18px;
	width: 7px; height: 7px;
	border: 1px solid var(--accent);
	transform: rotate(45deg);
}
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }
.chips li {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 7px 12px 7px 10px;
	border: 1px solid var(--line-2);
	border-radius: 999px;
	font-size: 14px;
	color: var(--text);
}
.chips .icon { width: 16px; height: 16px; color: var(--accent); }
.guide-note { margin-top: 24px; font-size: 13px; color: var(--dim); }

@keyframes blink { 50% { opacity: 0; } }
@keyframes fade-up { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

@media (max-width: 860px) {
	.guide { grid-template-columns: 1fr; }
	.guide-list { flex-direction: row; overflow-x: auto; gap: 8px; border: 0; padding-bottom: 4px; scrollbar-width: none; }
	.guide-list::-webkit-scrollbar { display: none; }
	.guide-btn {
		flex: none;
		width: auto;
		padding: 10px 14px;
		border: 1px solid var(--line-2);
		border-radius: 999px;
		font-size: 14px;
	}
	.guide-btn[aria-pressed="true"] { padding-left: 14px; border-color: var(--accent); background: var(--accent-soft); }
	.guide-btn[aria-pressed="true"]::after { display: none; }
	.guide-idx { display: none; }
	.guide-panel { position: static; }
	.guide-result .btn { width: 100%; }
}

/* Süreç */
.process {
	display: grid;
	grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
	gap: clamp(32px, 5vw, 72px);
	align-items: stretch;
}
.process-no-photo { grid-template-columns: 1fr; }
.process-no-photo .steps { grid-template-columns: repeat(4, 1fr); }

.process-photo {
	position: relative;
	min-height: 420px;
	border: 1px solid var(--line-2);
	border-radius: var(--radius);
	overflow: hidden;
	background: var(--surface);
}
.process-photo img {
	position: absolute;
	inset: 0;
	width: 100%; height: 100%;
	object-fit: cover;
	filter: saturate(.85) contrast(1.05);
}
.process-photo::after {
	content: "";
	position: absolute;
	inset: 0;
	background: linear-gradient(180deg, rgba(7, 9, 12, .15) 0%, rgba(7, 9, 12, .55) 100%);
}
.tag {
	position: absolute;
	z-index: 1;
	padding: 6px 10px;
	border: 1px solid var(--line-2);
	border-radius: 6px;
	background: rgba(7, 9, 12, .7);
	-webkit-backdrop-filter: blur(6px);
	backdrop-filter: blur(6px);
	font-family: var(--mono);
	font-size: 11px;
	letter-spacing: .1em;
	color: var(--text);
}
.tag-tl { top: 16px; left: 16px; }
.tag-br { right: 16px; bottom: 16px; color: var(--accent); }
.crosshair {
	position: absolute;
	z-index: 1;
	left: 50%; top: 50%;
	width: 56px; height: 56px;
	transform: translate(-50%, -50%);
	border: 1px solid rgba(42, 157, 255, .7);
	border-radius: 50%;
}
.crosshair::before,
.crosshair::after {
	content: "";
	position: absolute;
	background: rgba(42, 157, 255, .7);
}
.crosshair::before { left: 50%; top: -14px; bottom: -14px; width: 1px; }
.crosshair::after { top: 50%; left: -14px; right: -14px; height: 1px; }

.steps { display: grid; gap: 0; align-content: start; }
.step {
	display: grid;
	grid-template-columns: 56px minmax(0, 1fr);
	gap: 16px;
	padding: 28px 0;
	border-top: 1px solid var(--line);
}
.step:last-child { border-bottom: 1px solid var(--line); }
.step-idx {
	font-family: var(--mono);
	font-size: 28px;
	line-height: 1;
	color: var(--accent);
	letter-spacing: -0.02em;
}
.step h3 { font-size: 1.25rem; font-weight: 500; letter-spacing: -0.01em; }
.step p { margin-top: 6px; color: var(--muted); }

.process-no-photo .step { grid-template-columns: 1fr; padding-right: 24px; }
.process-no-photo .step + .step { padding-left: 24px; border-left: 1px solid var(--line); }

.principles {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 24px;
	margin-top: clamp(40px, 6vw, 64px);
}
.principles li { display: flex; gap: 14px; align-items: flex-start; }
.principles .icon { flex: none; width: 20px; height: 20px; margin-top: 2px; color: var(--ok); }
.principles strong { display: block; font-weight: 500; }
.principles span { display: block; margin-top: 2px; font-size: .95rem; color: var(--muted); }

@media (max-width: 900px) {
	.process, .process-no-photo .steps { grid-template-columns: 1fr; }
	.process-photo { min-height: 300px; }
	.process-no-photo .step, .process-no-photo .step + .step { padding: 24px 0; border-left: 0; grid-template-columns: 56px minmax(0, 1fr); }
	.principles { grid-template-columns: 1fr; }
}

/* Atölye bandı */
.lab {
	position: relative;
	min-height: clamp(420px, 60vw, 640px);
	display: flex;
	align-items: flex-end;
	overflow: hidden;
	border-bottom: 1px solid var(--line);
}
.lab-media { position: absolute; inset: 0; }
.lab-media img { width: 100%; height: 100%; object-fit: cover; }
.lab-media::after {
	content: "";
	position: absolute;
	inset: 0;
	background:
		linear-gradient(90deg, rgba(7, 9, 12, .92) 0%, rgba(7, 9, 12, .55) 45%, rgba(7, 9, 12, .1) 100%),
		linear-gradient(0deg, rgba(7, 9, 12, .9) 0%, transparent 40%);
}
.lab-inner { position: relative; padding-block: clamp(48px, 7vw, 96px); }
.lab-card { max-width: 520px; }
.lab-card h2 {
	margin-top: 16px;
	font-size: clamp(1.9rem, 3.8vw, 3rem);
	font-weight: 600;
	line-height: 1.06;
	letter-spacing: -0.035em;
}
.lab-card p:last-child { margin-top: 18px; color: var(--muted); font-size: 1.0625rem; }

/* SSS */
.faq-layout {
	display: grid;
	grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
	gap: clamp(32px, 6vw, 96px);
	align-items: start;
}
.faq-layout .sec-head { position: sticky; top: calc(var(--header-h) + 24px); margin-bottom: 0; }
.faq { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary {
	display: grid;
	grid-template-columns: 40px minmax(0, 1fr) 24px;
	gap: 12px;
	align-items: center;
	padding: 22px 0;
	cursor: pointer;
	list-style: none;
	font-size: 1.0625rem;
	font-weight: 500;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-idx { font-family: var(--mono); font-size: 11px; color: var(--dim); letter-spacing: .08em; }
.faq-icon { width: 20px; height: 20px; color: var(--muted); transition: transform .3s var(--ease), color .2s; }
.faq-item[open] .faq-icon { transform: rotate(45deg); color: var(--accent); }
.faq-item[open] .faq-idx { color: var(--accent); }
.faq-item summary:hover .faq-q { color: var(--text); }
.faq-a { padding: 0 36px 24px 52px; color: var(--muted); }
.faq-a p + p { margin-top: 10px; }
.faq-item[open] .faq-a { animation: fade-up .3s var(--ease); }

@media (max-width: 860px) {
	.faq-layout { grid-template-columns: 1fr; }
	.faq-layout .sec-head { position: static; }
	.faq-item summary { grid-template-columns: 28px minmax(0, 1fr) 20px; }
	.faq-a { padding: 0 0 22px 40px; }
}

/* İletişim */
.contact-grid {
	display: grid;
	grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
	gap: clamp(24px, 4vw, 56px);
	align-items: start;
}

.request {
	padding: clamp(22px, 3vw, 36px);
	border: 1px solid var(--line-2);
	border-radius: var(--radius);
	background: var(--surface);
}
.request-head {
	display: flex;
	justify-content: space-between;
	padding-bottom: 18px;
	margin-bottom: 24px;
	border-bottom: 1px solid var(--line);
}
.request-head .mono-label:first-child { color: var(--accent); }
.field { margin: 0 0 20px; padding: 0; border: 0; min-width: 0; }
.field > label,
.field legend {
	display: block;
	margin-bottom: 8px;
	padding: 0;
	font-size: 14px;
	font-weight: 500;
	color: var(--text);
}
.field input[type="text"],
.field textarea {
	width: 100%;
	padding: 13px 14px;
	border: 1px solid var(--line-2);
	border-radius: 10px;
	background: var(--bg);
	font-size: 16px;
	transition: border-color .2s, box-shadow .2s;
	resize: vertical;
}
.field input::placeholder,
.field textarea::placeholder { color: var(--dim); }
.field input[type="text"]:focus,
.field textarea:focus {
	outline: none;
	border-color: var(--accent);
	box-shadow: 0 0 0 3px var(--accent-soft);
}
.field.has-error textarea { border-color: var(--err); }
.field-error { margin-top: 8px; font-size: 13px; color: var(--err); }
.field-error[hidden] { display: none; }

.seg { display: flex; flex-wrap: wrap; gap: 8px; }
.seg-opt { position: relative; cursor: pointer; }
.seg-opt input { position: absolute; opacity: 0; pointer-events: none; }
.seg-opt span {
	display: inline-block;
	padding: 9px 14px;
	border: 1px solid var(--line-2);
	border-radius: 999px;
	font-size: 14px;
	color: var(--muted);
	transition: all .2s var(--ease);
}
.seg-opt:hover span { color: var(--text); }
.seg-opt input:checked + span { border-color: var(--accent); background: var(--accent-soft); color: var(--text); }
.seg-opt input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }

.form-note { margin-top: 14px; font-size: 13px; color: var(--dim); text-align: center; }

.info { border-top: 1px solid var(--line); }
.info-row {
	display: grid;
	gap: 10px;
	padding: 24px 0;
	border-bottom: 1px solid var(--line);
}
.info dt {
	display: flex;
	align-items: center;
	gap: 10px;
	font-family: var(--mono);
	font-size: 11px;
	letter-spacing: .1em;
	text-transform: uppercase;
	color: var(--dim);
}
.info dt .icon { width: 16px; height: 16px; color: var(--accent); }
.info dd { display: grid; gap: 10px; justify-items: start; }
.info address { font-style: normal; font-size: 1.0625rem; }
.info-big { font-size: clamp(1.5rem, 2.6vw, 2rem); font-weight: 500; letter-spacing: -0.02em; }
.info-big:hover { color: var(--accent); }
.hours { border-collapse: collapse; font-size: 1rem; }
.hours th { padding: 2px 24px 2px 0; text-align: left; font-weight: 400; color: var(--muted); }
.hours td { padding: 2px 0; font-family: var(--mono); font-size: 15px; }

.map {
	margin-top: clamp(32px, 5vw, 56px);
	border: 1px solid var(--line-2);
	border-radius: var(--radius);
	overflow: hidden;
	background: var(--surface);
}
.map-bar {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 14px 18px;
	border-bottom: 1px solid var(--line);
}
.map iframe {
	display: block;
	width: 100%;
	height: clamp(280px, 38vw, 420px);
	border: 0;
	filter: invert(.92) hue-rotate(180deg) saturate(.6) brightness(.9) contrast(.9);
}

@media (max-width: 900px) {
	.contact-grid { grid-template-columns: 1fr; }
}

/* --------------------------------------------------------------------------
   Alt bilgi
   -------------------------------------------------------------------------- */

.site-footer { border-top: 1px solid var(--line); background: var(--bg-2); }
.footer-grid {
	display: grid;
	grid-template-columns: minmax(0, 1.6fr) repeat(2, minmax(0, 1fr));
	gap: 40px;
	padding-block: 64px 48px;
}
.footer-brand p { max-width: 22rem; margin-top: 16px; font-size: .95rem; color: var(--muted); }
.footer-col .mono-label { margin-bottom: 14px; color: var(--dim); font-size: 11px; }
.footer-col li + li { margin-top: 8px; }
.footer-col a { font-size: .95rem; color: var(--muted); }
.footer-col a:hover { color: var(--text); }
.footer-bottom {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	align-items: center;
	gap: 12px 24px;
	padding-block: 22px;
	border-top: 1px solid var(--line);
	font-size: 13px;
	color: var(--dim);
}
.footer-bottom .mono-label { font-size: 11px; color: var(--dim); }
.footer-legal { display: flex; gap: 20px; }
.footer-legal a:hover { color: var(--text); }

@media (max-width: 760px) {
	.footer-grid { grid-template-columns: 1fr 1fr; }
	.footer-brand { grid-column: 1 / -1; }
}

/* Mobil alt çubuk */
.mobile-bar { display: none; }
@media (max-width: 760px) {
	.mobile-bar {
		position: fixed;
		z-index: 40;
		left: 0; right: 0; bottom: 0;
		display: grid;
		grid-template-columns: 1fr 1.4fr;
		gap: 10px;
		padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
		background: rgba(7, 9, 12, .9);
		-webkit-backdrop-filter: blur(14px);
		backdrop-filter: blur(14px);
		border-top: 1px solid var(--line);
		transform: translateY(110%);
		transition: transform .3s var(--ease);
	}
	.mobile-bar.is-visible { transform: none; }
	.mobile-bar .btn { min-height: 46px; }
	body { padding-bottom: 76px; }
}

/* --------------------------------------------------------------------------
   404
   -------------------------------------------------------------------------- */

.page-wrap { padding-top: calc(var(--header-h) + clamp(64px, 12vw, 160px)); padding-bottom: clamp(80px, 12vw, 160px); max-width: calc(820px + var(--gutter) * 2); }
.page-title { font-size: clamp(2.4rem, 6vw, 4rem); font-weight: 600; line-height: 1.04; letter-spacing: -0.04em; }
.error-404 .btn { margin-top: 32px; }

/* --------------------------------------------------------------------------
   Görünme animasyonu
   -------------------------------------------------------------------------- */

.js [data-reveal] { opacity: 0; transform: translateY(14px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js [data-reveal].is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
	*, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
	.board .scan { display: none; }
	.js [data-reveal] { opacity: 1; transform: none; }
}