* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}
.main-title h1 {
	font-family: "Dongle";
	font-size: 5rem;
	text-align: center;
	color: var(--accent);
	padding-top: 10rem;
	padding-bottom: 2rem;
}
section {
	min-height: 50vh;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 2rem;
}
.card-poetry {
	--card-width: min(380px, 90vw);
	width: var(--card-width);
	perspective: 1200px;
	cursor: pointer;
}
.card-poetry__envelope {
	position: relative;
	width: 100%;
	aspect-ratio: 1.5 / 1;
	transform-style: preserve-3d;
}
/* Envelope body */
.card-poetry__body {
	position: absolute;
	inset: 0;
	background: linear-gradient(145deg, #2a1f22 0%, #1c1416 100%);
	border: 1px solid var(--border);
	border-radius: 4px;
	box-shadow:
		0 4px 20px rgba(0, 0, 0, 0.4),
		inset 0 1px 0 rgba(255, 255, 255, 0.05);
}
/* Envelope flap */
.card-poetry__flap {
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 55%;
	background: linear-gradient(165deg, #352a2d 0%, #2a1f22 100%);
	border: 1px solid var(--border);
	border-bottom: none;
	clip-path: polygon(0 0, 50% 100%, 100% 0);
	transform-origin: top center;
	transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
	z-index: 3;
}
.card-poetry__flap::after {
	content: "";
	position: absolute;
	inset: 0;
	background: linear-gradient(
		to bottom,
		transparent 60%,
		rgba(231, 166, 177, 0.08) 100%
	);
}
/* Wax seal */
.card-poetry__seal {
	position: absolute;
	top: 35%;
	left: 50%;
	transform: translate(-50%, -50%);
	width: 48px;
	height: 48px;
	background: radial-gradient(
		circle at 30% 30%,
		#d4878f 0%,
		var(--accent) 50%,
		#b8727a 100%
	);
	border-radius: 50%;
	z-index: 4;
	display: flex;
	align-items: center;
	justify-content: center;
	box-shadow:
		0 3px 10px rgba(0, 0, 0, 0.4),
		inset 0 2px 4px rgba(255, 255, 255, 0.2),
		inset 0 -2px 4px rgba(0, 0, 0, 0.2);
	transition: all 0.4s ease;
}
.card-poetry__seal::before {
	content: "✦";
	font-size: 1.2rem;
	color: rgba(28, 20, 22, 0.6);
}
/* Letter preview peeking out */
.card-poetry__preview {
	position: absolute;
	top: 10%;
	left: 10%;
	right: 10%;
	height: 75%;
	background: linear-gradient(to bottom, var(--accent2) 0%, #e8cbb8 100%);
	border-radius: 2px;
	z-index: 1;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	padding: 1.5rem;
	transform: translateY(0);
	transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.2s;
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}
.card-poetry__title {
	font-family: "Petit Formal Script", cursive;
	font-size: clamp(1.1rem, 4vw, 1.4rem);
	color: #2a1f22;
	text-align: center;
	margin-bottom: 0.5rem;
}
.card-poetry__author {
	font-style: italic;
	font-size: 0.9rem;
	color: #5a4a4d;
}
.card-poetry__hint {
	position: absolute;
	bottom: -2rem;
	left: 50%;
	transform: translateX(-50%);
	font-size: 0.75rem;
	color: var(--muted);
	letter-spacing: 0.1em;
	text-transform: uppercase;
	opacity: 0.6;
	transition: opacity 0.3s ease;
}
.card-poetry:hover .card-poetry__hint {
	opacity: 1;
}
.card-poetry:hover .card-poetry__seal {
	transform: translate(-50%, -50%) scale(1.05);
	box-shadow:
		0 4px 15px rgba(231, 166, 177, 0.3),
		inset 0 2px 4px rgba(255, 255, 255, 0.2),
		inset 0 -2px 4px rgba(0, 0, 0, 0.2);
}
/* Opened state */
.card-poetry.is-open .card-poetry__flap {
	transform: rotateX(-180deg);
}
.card-poetry.is-open .card-poetry__seal {
	opacity: 0;
	transform: translate(-50%, -50%) scale(0.5);
}
.card-poetry.is-open .card-poetry__preview {
	transform: translateY(-85%);
}
.card-poetry.is-open .card-poetry__hint {
	opacity: 0;
}
/* Poem modal */
.poem-modal {
	position: fixed;
	inset: 0;
	background: rgba(28, 20, 22, 0.95);
	backdrop-filter: blur(10px);
	z-index: 2000;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 2rem;
	opacity: 0;
	visibility: hidden;
	transition: all 0.4s ease;
}
.poem-modal.is-visible {
	opacity: 1;
	visibility: visible;
}
.poem-modal__content {
	background: linear-gradient(to bottom, var(--accent2) 0%, #e8cbb8 100%);
	max-width: 500px;
	width: 100%;
	max-height: 85vh;
	overflow-y: auto;
	padding: 3rem 2.5rem;
	border-radius: 4px;
	position: relative;
	transform: translateY(20px) scale(0.95);
	transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
	box-shadow:
		0 25px 60px rgba(0, 0, 0, 0.5),
		0 0 0 1px rgba(231, 166, 177, 0.1);
}
.poem-modal.is-visible .poem-modal__content {
	transform: translateY(0) scale(1);
}
.poem-modal__close {
	position: absolute;
	top: 1rem;
	right: 1rem;
	width: 32px;
	height: 32px;
	background: transparent;
	border: none;
	cursor: pointer;
	color: #5a4a4d;
	font-size: 1.5rem;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: color 0.2s ease;
}
.poem-modal__close:hover {
	color: #2a1f22;
}
.poem-modal__title {
	font-family: "Petit Formal Script", cursive;
	font-size: clamp(1.5rem, 5vw, 2rem);
	color: #2a1f22;
	text-align: center;
	margin-bottom: 0.5rem;
}
.poem-modal__author {
	font-style: italic;
	font-size: 1rem;
	color: #5a4a4d;
	text-align: center;
	margin-bottom: 2rem;
	padding-bottom: 1.5rem;
	border-bottom: 1px solid rgba(90, 74, 77, 0.2);
}
.poem-modal__text {
	font-size: 1.1rem;
	line-height: 1.8;
	color: #2a1f22;
	white-space: pre-line;
}
.poem-modal__text p {
	margin-bottom: 1.5rem;
}
/* Decorative corners on the letter */
.poem-modal__content::before,
.poem-modal__content::after {
	content: "❧";
	position: absolute;
	font-size: 1.2rem;
	color: rgba(90, 74, 77, 0.3);
}
.poem-modal__content::before {
	top: 1rem;
	left: 1rem;
}
.poem-modal__content::after {
	bottom: 1rem;
	right: 1rem;
	transform: rotate(180deg);
}
/* Responsive adjustments */
@media (max-width: 480px) {
	.card-poetry {
		--card-width: 100%;
	}
	.poem-modal {
		padding: 1rem;
	}
	.poem-modal__content {
		padding: 2.5rem 1.5rem;
	}
}

.card-poetry.is-locked {
	cursor: not-allowed;
	opacity: 0.6;
}

.card-poetry.is-locked .card-poetry__seal::before {
	content: "🔒";
}