/*
 * Para Birimi — "banknot" düzeni.
 * Ana sayfanın yazı tipleri: rakamlar ve başlıklar Playfair Display, etiketler Open Sans.
 * Banknotlar tek renk (altın) gravür gibi; farkı yalnızca değer ve desen verir.
 */
.pb {
	--pb-serif: var(--lx-serif);
	--pb-mono: "Open Sans", sans-serif;
	max-width: 1120px;
	margin: 0 auto;
	padding: 40px 20px 90px;
	color: var(--lx-body);
	font-family: "Open Sans", sans-serif;
}
.pb ul {
	margin: 0;
	padding: 0;
	list-style: none;
}
.pb p {
	margin: 0;
}

.pb-serial {
	color: var(--lx-gold);
	font-family: var(--pb-mono);
	font-size: 13px;
	font-weight: 500;
	letter-spacing: 0.22em;
	text-transform: uppercase;
}
.pb .pb-title {
	margin: 8px 0 0;
	color: var(--lx-heading);
	font-family: var(--pb-serif);
	font-size: clamp(40px, 6vw, 72px);
	font-weight: 700;
	line-height: 1.15;
	letter-spacing: -0.01em;
	text-transform: none;
}
.pb .pb-title em {
	color: var(--lx-gold);
	font-weight: 400;
}
.pb .pb-title--sm {
	font-size: clamp(30px, 4vw, 44px);
}

/* ---------- Giriş ---------- */
.pb-intro {
	display: grid;
	grid-template-columns: auto 1fr;
	gap: clamp(20px, 5vw, 60px);
	align-items: center;
	padding-bottom: 50px;
	border-bottom: 1px solid var(--lx-line);
}
.pb-intro__sym {
	display: grid;
	place-items: center;
	width: clamp(110px, 18vw, 190px);
	aspect-ratio: 1;
	border: 1px solid var(--lx-line-strong);
	border-radius: 50%;
	background:
		repeating-radial-gradient(circle, transparent 0 7px, var(--lx-gold-wash) 7px 8px),
		var(--lx-surface);
	color: var(--lx-gold);
	font-family: var(--pb-serif);
	font-size: clamp(64px, 11vw, 120px);
	line-height: 1;
	box-shadow: inset 0 0 0 8px var(--lx-surface), inset 0 0 0 9px var(--lx-line);
}
.pb-lead {
	max-width: 620px;
	margin-top: 18px !important;
	color: var(--lx-text);
	font-size: 19px;
	line-height: 1.65;
}

/* ---------- Bloklar ---------- */
.pb-block {
	padding-top: 64px;
}
.pb-head {
	display: flex;
	flex-wrap: wrap;
	align-items: baseline;
	column-gap: 28px;
	margin-bottom: 30px;
}
.pb-head .pb-serial {
	flex-basis: 100%;
}
.pb-head__note {
	color: var(--lx-muted);
	font-family: var(--pb-mono);
	font-size: 14px;
}

/* ---------- Banknotlar ----------
   Gerçek banknotlar (assets/img/para/, sayfadaki toplu fotoğraftan kırpıldı), küçükten büyüğe.
   Altında giriş bölümündeki gibi büyük serif rakam. */
.pb-bills {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 44px 34px;
}
.pb-bill {
	display: flex;
	flex-direction: column;
	align-items: flex-start;
}
.pb-bill__img {
	display: block;
	width: 100%;
	overflow: hidden;
	border-radius: 6px;
	box-shadow: 0 1px 0 var(--lx-line), 0 18px 34px -18px rgba(70, 45, 20, 0.45);
	transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.4s ease;
}
.pb-bill__img img {
	display: block;
	width: 100%;
	height: auto;
	aspect-ratio: 2.15 / 1;
	object-fit: cover;
}
.pb-bill:hover .pb-bill__img {
	transform: translateY(-6px) rotate(-1deg);
	box-shadow: 0 1px 0 var(--lx-line), 0 26px 40px -18px rgba(70, 45, 20, 0.55);
}
.pb-bill__value {
	margin-top: 18px;
	color: var(--lx-heading);
	font-family: var(--pb-serif);
	font-size: 44px;
	font-weight: 700;
	line-height: 1;
}
.pb-bill__value small {
	margin-left: 6px;
	color: var(--lx-gold);
	font-size: 0.4em;
	letter-spacing: 0.12em;
}
.pb-bill__words {
	margin-top: 6px;
	color: var(--lx-muted);
	font-family: var(--pb-serif);
	font-size: 16px;
	font-style: italic;
}

.pb-caption {
	max-width: 720px;
	margin: 28px auto 0 !important;
	padding-left: 18px;
	border-left: 2px solid var(--lx-gold);
	color: var(--lx-body);
	font-family: var(--pb-serif);
	font-size: 19px;
	font-style: italic;
	line-height: 1.6;
}

/* ---------- Madenî paralar ----------
   Gerçek paralar (Darphane görselleri, assets/img/para/*-on|arka.png), gerçek çaplarıyla orantılı.
   Üzerine gelince ya da dokununca (odak) para dönüp arka yüzünü gösterir. */
.pb-coins {
	display: flex;
	flex-wrap: wrap;
	align-items: flex-end;
	justify-content: space-between;
	gap: 28px 18px;
	padding: 6px 0 0;
}
.pb-coin {
	display: flex;
	flex-direction: column;
	align-items: center;
}
.pb-coin__flip {
	position: relative;
	display: block;
	width: var(--size);
	height: var(--size);
	border-radius: 50%;
	outline: none;
	cursor: pointer;
	transform-style: preserve-3d;
	transition: transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
	/* not: gölge burada değil yüzlerde; filter 3B dönüşü düzleştirip çevirmeyi bozuyor */
}
.pb-coin__flip:focus-visible {
	box-shadow: 0 0 0 3px var(--lx-surface), 0 0 0 5px var(--lx-gold);
}
.pb-coin:hover .pb-coin__flip,
.pb-coin__flip:focus {
	transform: rotateY(180deg);
}
.pb-coin__side {
	position: absolute;
	inset: 0;
	display: block;
	width: 100%;
	height: 100%;
	border-radius: 50%;
	box-shadow: 0 10px 18px -6px rgba(70, 45, 20, 0.4);
	backface-visibility: hidden;
	-webkit-backface-visibility: hidden;
}
.pb-coin__side--back {
	transform: rotateY(180deg);
}
.pb-coin__value {
	margin-top: 16px;
	color: var(--lx-heading);
	font-family: var(--pb-serif);
	font-size: 30px;
	font-weight: 700;
	line-height: 1;
	white-space: nowrap;
}
.pb-coin__value small {
	margin-left: 5px;
	color: var(--lx-gold);
	font-size: 0.45em;
	letter-spacing: 0.1em;
	text-transform: uppercase;
}
.pb .pb-source {
	margin-top: 8px !important;
	color: var(--lx-muted);
	font-size: 13px;
	line-height: 1.6;
}
.pb .pb-source a {
	color: var(--lx-gold);
	text-decoration: underline;
	text-underline-offset: 3px;
}

.pb .pb-rate {
	margin-top: 34px !important;
	color: var(--lx-muted);
	font-family: var(--pb-serif);
	font-size: 18px;
	font-style: italic;
}
.pb-rate b {
	color: var(--lx-heading);
	font-size: 24px;
	font-style: normal;
}
.pb-rate span[aria-hidden] {
	margin: 0 6px;
	color: var(--lx-gold);
	font-style: normal;
}

/* ---------- Döviz ---------- */
.pb-exchange {
	display: grid;
	grid-template-columns: auto 1fr;
	gap: clamp(24px, 5vw, 56px);
	align-items: center;
	margin-top: 64px;
	padding: clamp(28px, 5vw, 48px);
	border-radius: 18px;
	background: var(--lx-surface-2);
}
.pb-exchange__icons {
	display: flex;
}
.pb-exchange__icons span {
	display: grid;
	place-items: center;
	width: 72px;
	height: 72px;
	margin-left: -14px;
	border: 2px solid var(--lx-surface-2);
	border-radius: 50%;
	background: var(--lx-surface);
	color: var(--lx-gold);
	font-family: var(--pb-serif);
	font-size: 34px;
	font-weight: 700;
}
.pb-exchange__icons span:first-child {
	margin-left: 0;
}
.pb-exchange__icons span:last-child {
	background: var(--lx-gold);
	color: var(--lx-surface);
}
.pb-exchange__text p:not(.pb-serial) {
	margin-top: 10px !important;
	color: var(--lx-text);
	font-size: 17px;
	line-height: 1.75;
}
.pb .pb-link {
	display: inline-flex;
	gap: 8px;
	margin-top: 18px;
	color: var(--lx-gold);
	font-family: var(--pb-mono);
	font-size: 14px;
	font-weight: 500;
	letter-spacing: 0.08em;
	text-decoration: none;
	text-transform: uppercase;
	transition: gap 0.25s ease;
}
.pb .pb-link:hover {
	gap: 14px;
	color: var(--lx-heading);
}

@media (max-width: 991px) {
	.pb-bills {
		grid-template-columns: repeat(2, 1fr);
		gap: 34px 22px;
	}
}
@media (prefers-reduced-motion: reduce) {
	.pb-bill__img,
	.pb-coin__flip {
		transition: none;
	}
}
@media (max-width: 575px) {
	.pb {
		padding: 28px 16px 60px;
	}
	.pb-intro,
	.pb-exchange {
		grid-template-columns: 1fr;
	}
	.pb-exchange {
		gap: 18px;
		padding: 22px 20px;
	}
	.pb-bills {
		gap: 26px 14px;
	}
	.pb-bill__value {
		margin-top: 12px;
		font-size: 32px;
	}
	.pb-bill__words {
		font-size: 13px;
	}
	/* telefonda paralar küçülür, 4 + 3 sıralanır */
	.pb-coins {
		justify-content: center;
		gap: 22px 14px;
	}
	.pb-coin__flip {
		width: calc(var(--size) * 0.66);
		height: calc(var(--size) * 0.66);
	}
	.pb-coin__value {
		margin-top: 10px;
		font-size: 22px;
	}
}