/* ==========================================================================
   Bileşenler
   ========================================================================== */

/* --------------------------------------------------------------------------
   Butonlar ve bağlantılar
   -------------------------------------------------------------------------- */

.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.6rem;
	min-height: 3rem;
	padding: 0.75rem 1.35rem;
	border: 2px solid var(--c-ink);
	border-radius: var(--radius-s);
	background: transparent;
	color: var(--c-ink);
	font-size: var(--fs-300);
	font-weight: 650;
	line-height: 1.2;
	text-decoration: none;
	white-space: nowrap;
	transition: background-color 0.15s var(--ease), color 0.15s var(--ease), border-color 0.15s var(--ease);
}

.btn:hover {
	background: var(--c-ink);
	color: var(--c-on-ink);
}

.btn--signal {
	background: var(--c-accent-btn);
	border-color: var(--c-accent-btn);
	color: var(--c-ink);
}

.btn--signal:hover {
	background: var(--c-accent-btn-hover);
	border-color: var(--c-accent-btn-hover);
	color: var(--c-ink);
}

.btn--sm {
	min-height: 2.5rem;
	padding: 0.45rem 1rem;
	font-size: var(--fs-200);
}

.on-ink .btn:not(.btn--signal) {
	border-color: var(--c-on-ink);
	color: var(--c-on-ink);
}

.on-ink .btn:not(.btn--signal):hover {
	background: var(--c-on-ink);
	color: var(--c-ink);
}

.btn-row {
	display: flex;
	flex-wrap: wrap;
	gap: var(--s-3);
}

.link-strong {
	font-weight: 650;
	text-decoration-thickness: 2px;
	text-decoration-color: var(--c-accent);
	text-underline-offset: 0.3em;
}

.link-strong:hover {
	text-decoration-color: currentColor;
}

/* --------------------------------------------------------------------------
   İndeks listesi (hizmetler, yakıt türleri vb.)
   -------------------------------------------------------------------------- */

.index-list {
	border-top: 1px solid var(--c-ink);
}

.index-list__item {
	border-bottom: 1px solid var(--c-line);
}

.index-list__link {
	display: grid;
	grid-template-columns: minmax(0, 1fr) auto;
	align-items: center;
	gap: var(--s-2) var(--s-5);
	padding-block: clamp(1.1rem, 0.8rem + 1vw, 1.75rem);
	text-decoration: none;
	transition: padding-left 0.2s var(--ease), background-color 0.2s var(--ease);
}

.index-list__title {
	font-size: var(--fs-600);
	font-weight: 680;
	font-stretch: var(--stretch-heading);
	letter-spacing: -0.012em;
	line-height: 1.1;
	hyphens: auto;
}

.index-list__desc {
	grid-column: 1;
	color: var(--c-muted);
	font-size: var(--fs-200);
	max-width: 46ch;
}

.index-list__marker {
	grid-column: 2;
	grid-row: 1 / span 2;
	width: 2.75rem;
	height: 2.75rem;
	display: grid;
	place-items: center;
	border: 1px solid var(--c-line-strong);
	border-radius: 50%;
	transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.index-list__marker svg {
	width: 1rem;
	height: 1rem;
}

.index-list__link:hover .index-list__marker,
.index-list__link:focus-visible .index-list__marker,
.index-list__item.is-active .index-list__marker {
	background: var(--c-accent);
	border-color: var(--c-accent);
}

@media (hover: hover) {
	.index-list__link:hover {
		padding-left: var(--s-3);
	}
}

/* --------------------------------------------------------------------------
   Veri tabloları
   -------------------------------------------------------------------------- */

.table-scroll {
	overflow-x: auto;
	-webkit-overflow-scrolling: touch;
}

.data-table {
	font-size: var(--fs-200);
	font-variant-numeric: tabular-nums lining-nums;
}

.data-table caption {
	caption-side: bottom;
	padding-top: var(--s-3);
	text-align: left;
	font-size: var(--fs-100);
	color: var(--c-muted);
}

.data-table th,
.data-table td {
	padding: 0.85rem 1rem 0.85rem 0;
	text-align: left;
	vertical-align: top;
	border-bottom: 1px solid var(--c-line);
}

.data-table thead th {
	font-weight: 650;
	border-bottom: 2px solid var(--c-ink);
	white-space: nowrap;
}

.data-table tbody th {
	font-weight: 600;
	min-width: 11rem;
}

.on-ink .data-table caption {
	color: var(--c-on-ink-muted);
}

.on-ink .data-table th,
.on-ink .data-table td {
	border-bottom-color: var(--c-line-on-ink);
}

.on-ink .data-table thead th {
	border-bottom-color: var(--c-on-ink);
}

/* --------------------------------------------------------------------------
   Etiketler ve klasman kodu
   -------------------------------------------------------------------------- */

.tag-list {
	display: flex;
	flex-wrap: wrap;
	gap: var(--s-2);
}

.tag {
	display: inline-block;
	padding: 0.2rem 0.6rem;
	border: 1px solid var(--c-line-strong);
	border-radius: 999px;
	font-size: var(--fs-100);
	font-weight: 500;
	line-height: 1.5;
}

.on-ink .tag {
	border-color: var(--c-line-on-ink);
	color: var(--c-on-ink);
}

.class-code {
	display: inline-flex;
	flex-wrap: wrap;
	align-items: stretch;
	border: 2px solid currentColor;
	font-variant-numeric: tabular-nums lining-nums;
}

.class-code__part {
	display: grid;
	gap: 0.1rem;
	padding: 0.55rem 1rem 0.6rem;
	min-width: 5.5rem;
}

.class-code__part + .class-code__part {
	border-left: 2px solid currentColor;
}

.class-code__label {
	font-size: var(--fs-100);
	font-weight: 600;
	opacity: 0.8;
}

.class-code__value {
	font-size: var(--fs-600);
	font-weight: 760;
	font-stretch: 110%;
	line-height: 1;
}

.class-code__part.is-empty .class-code__value {
	opacity: 0.45;
}

/* --------------------------------------------------------------------------
   Süreç sekmeleri (ana sayfa)
   -------------------------------------------------------------------------- */

.process-tabs__list {
	display: grid;
	grid-template-columns: repeat(7, minmax(0, 1fr));
	border-top: 1px solid var(--c-ink);
}

.process-tabs__tab {
	position: relative;
	display: grid;
	align-content: start;
	gap: 0.45rem;
	padding: var(--s-4) var(--s-3) var(--s-5) 0;
	border: 0;
	background: none;
	text-align: left;
	color: var(--c-muted);
}

.process-tabs__tab::before {
	content: "";
	position: absolute;
	left: 0;
	right: 0;
	top: -1px;
	height: 5px;
	background: transparent;
	transition: background-color 0.2s var(--ease);
}

.process-tabs__num {
	font-size: var(--fs-100);
	font-weight: 650;
	font-variant-numeric: tabular-nums;
}

.process-tabs__name {
	font-size: var(--fs-200);
	font-weight: 600;
	line-height: 1.25;
	hyphens: auto;
}

.process-tabs__tab:hover {
	color: var(--c-ink);
}

.process-tabs__tab[aria-selected="true"] {
	color: var(--c-ink);
}

.process-tabs__tab[aria-selected="true"]::before {
	background: var(--c-accent);
}

.process-tabs__panel {
	display: grid;
	grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
	gap: var(--s-5) var(--gutter);
	padding-top: var(--s-6);
	min-height: 12rem;
}

.process-tabs__panel[hidden] {
	display: none;
}

.process-tabs__panel-num {
	font-size: var(--fs-900);
	font-weight: 780;
	font-stretch: 118%;
	line-height: 0.85;
	letter-spacing: -0.04em;
	color: var(--c-ink);
	font-variant-numeric: tabular-nums;
}

.process-tabs__panel h3 {
	margin-bottom: var(--s-3);
}

.process-tabs__panel p {
	max-width: 46ch;
	margin-bottom: var(--s-5);
}

/* JS yoksa veya dar ekranda: tüm adımlar alt alta */
.process-tabs:not(.is-enhanced) .process-tabs__list {
	display: none;
}

.process-tabs:not(.is-enhanced) .process-tabs__panel {
	grid-template-columns: 4.5rem minmax(0, 1fr);
	min-height: 0;
	padding-block: var(--s-5);
	border-top: 1px solid var(--c-line);
}

.process-tabs:not(.is-enhanced) .process-tabs__panel-num {
	font-size: var(--fs-700);
}

@media (max-width: 56rem) {
	.process-tabs__list {
		display: none;
	}

	.process-tabs__panel,
	.process-tabs__panel[hidden] {
		display: grid;
		grid-template-columns: 4.5rem minmax(0, 1fr);
		min-height: 0;
		padding-block: var(--s-5);
		border-top: 1px solid var(--c-line);
	}

	.process-tabs__panel-num {
		font-size: var(--fs-700);
	}
}

/* --------------------------------------------------------------------------
   Numaralı adım listesi (süreç sayfası)
   -------------------------------------------------------------------------- */

.step-list {
	counter-reset: step;
	border-top: 1px solid var(--c-ink);
}

.step-list__item {
	display: grid;
	grid-template-columns: 5rem minmax(0, 4fr) minmax(0, 6fr);
	gap: var(--s-3) var(--gutter);
	padding-block: var(--s-5);
	border-bottom: 1px solid var(--c-line);
}

.step-list__num {
	font-size: var(--fs-600);
	font-weight: 760;
	font-stretch: 112%;
	line-height: 1;
	font-variant-numeric: tabular-nums;
}

.step-list__title {
	font-size: var(--fs-400);
	font-weight: 650;
	line-height: 1.25;
}

.step-list__text {
	color: var(--c-ink);
	max-width: 52ch;
}

@media (max-width: 48rem) {
	.step-list__item {
		grid-template-columns: 3.25rem minmax(0, 1fr);
	}

	.step-list__text {
		grid-column: 2;
	}
}

/* --------------------------------------------------------------------------
   Formlar
   -------------------------------------------------------------------------- */

.form {
	display: grid;
	gap: var(--s-5);
}

.form__row {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: var(--s-5) var(--s-4);
}

@media (max-width: 40rem) {
	.form__row {
		grid-template-columns: 1fr;
	}
}

.field {
	display: grid;
	gap: 0.4rem;
}

.field__label {
	font-size: var(--fs-200);
	font-weight: 600;
}

.field__optional {
	font-weight: 400;
	color: var(--c-muted);
}

.field__hint {
	font-size: var(--fs-100);
	color: var(--c-muted);
}

.field__input {
	width: 100%;
	min-height: 3rem;
	padding: 0.7rem 0.85rem;
	border: 1px solid var(--c-line-strong);
	border-radius: var(--radius-s);
	background: #fff;
	color: var(--c-ink);
	font-size: var(--fs-300);
	line-height: 1.4;
}

.field__input:hover {
	border-color: var(--c-ink);
}

.field__input:focus-visible {
	outline: 3px solid var(--c-ink);
	outline-offset: 0;
	border-color: var(--c-ink);
}

textarea.field__input {
	min-height: 10rem;
	resize: vertical;
}

.field__error {
	font-size: var(--fs-200);
	font-weight: 500;
	color: var(--c-error);
}

.field.has-error .field__input {
	border-color: var(--c-error);
	border-width: 2px;
}

.choice-group {
	border: 0;
	margin: 0;
	padding: 0;
}

.choice-group legend {
	margin-bottom: var(--s-3);
	padding: 0;
}

.choice-group__options {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: var(--s-2);
}

@media (max-width: 40rem) {
	.choice-group__options {
		grid-template-columns: 1fr;
	}
}

.choice {
	position: relative;
	display: flex;
	align-items: center;
	gap: 0.7rem;
	padding: 0.8rem 0.9rem;
	border: 1px solid var(--c-line-strong);
	border-radius: var(--radius-s);
	background: #fff;
	font-size: var(--fs-200);
	font-weight: 550;
	cursor: pointer;
}

.choice:hover {
	border-color: var(--c-ink);
}

.choice input {
	width: 1.1rem;
	height: 1.1rem;
	margin: 0;
	accent-color: var(--c-ink);
	flex-shrink: 0;
}

.choice:has(input:checked) {
	border-color: var(--c-ink);
	box-shadow: inset 0 0 0 1px var(--c-ink), inset 5px 0 0 var(--c-accent);
}

.checkbox {
	display: grid;
	grid-template-columns: auto minmax(0, 1fr);
	gap: 0.75rem;
	align-items: start;
	font-size: var(--fs-200);
}

.checkbox input {
	width: 1.25rem;
	height: 1.25rem;
	margin: 0.15rem 0 0;
	accent-color: var(--c-ink);
}

.hp-field {
	position: absolute;
	left: -10000px;
	width: 1px;
	height: 1px;
	overflow: hidden;
}

/* --------------------------------------------------------------------------
   Bildirimler
   -------------------------------------------------------------------------- */

.notice {
	padding: var(--s-4) var(--s-5);
	border-left: 5px solid var(--c-ink);
	background: var(--c-paper-deep);
	font-size: var(--fs-200);
}

.notice--error {
	border-left-color: var(--c-error);
	color: var(--c-ink);
}

.notice--success {
	border-left-color: var(--c-success);
}

.notice__title {
	font-size: var(--fs-400);
	font-weight: 650;
	margin-bottom: var(--s-2);
}

/* --------------------------------------------------------------------------
   SSS
   -------------------------------------------------------------------------- */

.faq {
	border-top: 1px solid var(--c-ink);
	max-width: 58rem;
}

.faq__item {
	border-bottom: 1px solid var(--c-line);
}

.faq__question {
	display: grid;
	grid-template-columns: minmax(0, 1fr) auto;
	gap: var(--s-5);
	align-items: center;
	padding-block: var(--s-5);
	font-size: var(--fs-400);
	font-weight: 620;
	line-height: 1.3;
	cursor: pointer;
	list-style: none;
}

.faq__question::-webkit-details-marker {
	display: none;
}

.faq__icon {
	position: relative;
	width: 1.1rem;
	height: 1.1rem;
}

.faq__icon::before,
.faq__icon::after {
	content: "";
	position: absolute;
	left: 0;
	right: 0;
	top: calc(50% - 1px);
	height: 2px;
	background: currentColor;
	transition: transform 0.2s var(--ease);
}

.faq__icon::after {
	transform: rotate(90deg);
}

.faq__item[open] .faq__icon::after {
	transform: rotate(0deg);
}

.faq__answer {
	padding-bottom: var(--s-6);
	max-width: 62ch;
}

/* --------------------------------------------------------------------------
   Kayıt listesi (haberler, projeler)
   -------------------------------------------------------------------------- */

.entry-list {
	border-top: 1px solid var(--c-ink);
}

.entry {
	border-bottom: 1px solid var(--c-line);
}

.entry__link {
	display: grid;
	grid-template-columns: minmax(0, 3fr) minmax(0, 6fr) minmax(0, 3fr);
	gap: var(--s-4) var(--gutter);
	align-items: start;
	padding-block: var(--s-6);
	text-decoration: none;
}

.entry__meta {
	font-size: var(--fs-200);
	color: var(--c-muted);
	font-variant-numeric: tabular-nums;
}

.entry__title {
	font-size: var(--fs-500);
	font-weight: 650;
	font-stretch: 102%;
	line-height: 1.2;
}

.entry__link:hover .entry__title {
	text-decoration: underline;
	text-decoration-thickness: 2px;
	text-underline-offset: 0.18em;
}

.entry__excerpt {
	margin-top: var(--s-3);
	color: var(--c-muted);
}

.entry__image {
	aspect-ratio: 4 / 3;
	object-fit: cover;
	width: 100%;
	background: var(--c-paper-deep);
}

@media (max-width: 48rem) {
	.entry__link {
		grid-template-columns: 1fr;
	}

	.entry__image {
		grid-row: 1;
	}
}

.pagination {
	display: flex;
	justify-content: space-between;
	gap: var(--s-4);
	margin-top: var(--s-7);
}

.pagination__current {
	align-self: center;
	font-size: var(--fs-200);
	color: var(--c-muted);
}

/* --------------------------------------------------------------------------
   Diğer
   -------------------------------------------------------------------------- */

.is-placeholder {
	color: var(--c-muted);
	font-style: italic;
}

.check-list li {
	position: relative;
	padding-left: 1.6rem;
}

.check-list li + li {
	margin-top: 0.7rem;
}

.check-list li::before {
	content: "";
	position: absolute;
	left: 0;
	top: 0.55em;
	width: 0.7rem;
	height: 0.7rem;
	background: var(--c-accent);
}

.visual-frame {
	background: var(--c-paper-deep);
	border: 1px solid var(--c-line);
}

.visual-frame img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}