/* =========================================================
   單一 App 詳情頁 v2 - 一頁式
   配合 /v2/css/style.css 使用
   ========================================================= */

.product-page {
	background: var(--c-bg);
}

/* tone 主色：用於 hero 漸層、強調色 */
.product-page.tone-0 { --tone-c: var(--c-blue);     --tone-d: var(--c-blue-dark); }
.product-page.tone-1 { --tone-c: var(--c-green);    --tone-d: var(--c-green-dark); }
.product-page.tone-2 { --tone-c: var(--c-red-soft); --tone-d: var(--c-red); }

/* =========================================================
   Product Hero
   ========================================================= */

.product-hero {
	position: relative;
	min-height: 90vh;
	min-height: 90svh;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 120px 24px 80px;
	overflow: hidden;
	background: linear-gradient(135deg, #EAF6FB 0%, #E9F5DA 50%, #FBE9EC 100%);
}

.product-hero-bg {
	position: absolute;
	inset: 0;
	pointer-events: none;
	overflow: hidden;
}

.product-hero-content {
	position: relative;
	z-index: 2;
	text-align: center;
	max-width: 760px;
	margin: 0 auto;
}

.product-icon {
	display: inline-block;
	margin-bottom: 28px;
	border-radius: 36px;
	overflow: hidden;
	box-shadow: 0 18px 50px rgba(24, 27, 30, 0.18);
	transform: rotate(-2deg);
	transition: transform 0.4s ease;
}

.product-icon:hover {
	transform: rotate(0) scale(1.04);
}

.product-icon img {
	width: 180px;
	height: 180px;
	display: block;
	object-fit: cover;
}

.product-name {
	font-size: clamp(2.2rem, 5vw, 3.6rem);
	font-weight: 900;
	margin: 0 0 14px;
	color: var(--c-text);
	letter-spacing: -0.5px;
	line-height: 1.15;
	background: linear-gradient(120deg, var(--tone-c), var(--tone-d));
	-webkit-background-clip: text;
	background-clip: text;
	-webkit-text-fill-color: transparent;
}

.product-subtitle {
	font-size: clamp(1.1rem, 2.2vw, 1.4rem);
	color: var(--c-text-soft);
	margin: 0 0 24px;
	font-weight: 500;
}

.product-desc {
	font-size: 1rem;
	color: var(--c-text-soft);
	line-height: 1.7;
	max-width: 620px;
	margin: 0 auto 36px;
}

.product-actions {
	display: flex;
	gap: 14px;
	justify-content: center;
	flex-wrap: wrap;
}

.product-actions .store-badge {
	transition: transform 0.2s ease, box-shadow 0.2s ease;
	border-radius: 8px;
}

.product-actions .store-badge:hover {
	transform: translateY(-3px);
	box-shadow: 0 10px 24px rgba(24, 27, 30, 0.18);
}

.product-actions .store-badge img {
	height: 48px;
	width: auto;
	display: block;
}

/* =========================================================
   Features
   ========================================================= */

.product-features {
	max-width: 1100px;
	margin: 0 auto;
	padding: 100px 28px 60px;
}

.features-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
	gap: 22px;
}

.feature-item {
	background: var(--c-card);
	border: 1px solid var(--c-border);
	border-radius: var(--radius-lg);
	padding: 28px 24px;
	display: flex;
	gap: 18px;
	align-items: flex-start;
	box-shadow: var(--shadow-sm);
	transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-item:hover {
	transform: translateY(-4px);
	box-shadow: var(--shadow-md);
}

.feature-num {
	font-size: 1.5rem;
	font-weight: 900;
	color: var(--tone-d);
	font-variant-numeric: tabular-nums;
	min-width: 36px;
	letter-spacing: -1px;
	line-height: 1;
	padding-top: 4px;
}

.feature-text {
	font-size: 1rem;
	color: var(--c-text);
	line-height: 1.5;
	font-weight: 500;
}

/* =========================================================
   Screenshots
   ========================================================= */

.product-screenshots {
	padding: 80px 0 80px;
	overflow: hidden;
}

.product-screenshots .section-head {
	max-width: 1100px;
	margin: 0 auto 48px;
	padding: 0 28px;
}

.screenshots-track {
	display: flex;
	gap: 24px;
	overflow-x: auto;
	scroll-snap-type: x mandatory;
	padding: 8px 28px 36px;
	-webkit-overflow-scrolling: touch;
	scrollbar-width: thin;
	/* 寬畫面內容不超出時自動置中；超出時 safe 退回 start，左端不會被裁掉 */
	justify-content: safe center;
}

.screenshots-track::-webkit-scrollbar {
	height: 8px;
}

.screenshots-track::-webkit-scrollbar-track {
	background: var(--c-bg-soft);
	border-radius: 4px;
}

.screenshots-track::-webkit-scrollbar-thumb {
	background: var(--tone-d);
	border-radius: 4px;
	opacity: 0.5;
}

.screenshot-item {
	flex-shrink: 0;
	scroll-snap-align: start;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 12px;
}

.screenshots-track.is-portrait .screenshot-item {
	width: 280px;
}

.screenshots-track.is-landscape .screenshot-item {
	width: 640px;
}

.screenshot-item img {
	width: 100%;
	height: auto;
	object-fit: contain;
	border-radius: var(--radius-md);
	box-shadow: var(--shadow-md);
	background: var(--c-card);
	transition: transform 0.3s ease;
}

.screenshots-track.is-portrait .screenshot-item img {
	max-height: 600px;
}

.screenshots-track.is-landscape .screenshot-item img {
	max-height: 400px;
}

.screenshot-item:hover img {
	transform: translateY(-4px) scale(1.01);
}

.screenshot-caption {
	font-size: 0.9rem;
	color: var(--c-text-mute);
	text-align: center;
	font-weight: 500;
}

/* Tabs：iPhone / iPad 切換 */
.device-tabs {
	display: inline-flex;
	gap: 4px;
	background: var(--c-bg-soft);
	padding: 4px;
	border-radius: 999px;
	margin-top: 16px;
}

.device-tab {
	border: none;
	background: transparent;
	padding: 8px 22px;
	border-radius: 999px;
	font-size: 0.9rem;
	font-weight: 600;
	color: var(--c-text-soft);
	cursor: pointer;
	font-family: inherit;
	transition: background 0.2s ease, color 0.2s ease;
}

.device-tab:hover {
	color: var(--tone-d);
}

.device-tab.is-active {
	background: #fff;
	color: var(--tone-d);
	box-shadow: var(--shadow-sm);
}

.screenshots-track.is-hidden {
	display: none;
}

/* =========================================================
   CTA
   ========================================================= */

.product-cta {
	max-width: 900px;
	margin: 40px auto 80px;
	padding: 60px 28px;
	background: linear-gradient(135deg, var(--tone-c), var(--tone-d));
	border-radius: var(--radius-lg);
	text-align: center;
	color: #fff;
	box-shadow: 0 18px 50px rgba(24, 27, 30, 0.16);
}

.product-cta h2 {
	font-size: clamp(1.8rem, 4vw, 2.4rem);
	font-weight: 900;
	margin: 0 0 12px;
	color: #fff;
}

.product-cta p {
	font-size: 1.05rem;
	opacity: 0.95;
	margin: 0 0 28px;
}

.product-cta .product-actions .store-badge {
	background: rgba(255, 255, 255, 0.1);
	padding: 4px;
}

.product-cta .product-actions .store-badge img {
	height: 56px;
}

/* =========================================================
   Responsive
   ========================================================= */

@media (max-width: 768px) {
	.product-hero {
		padding: 100px 18px 60px;
	}

	.product-icon img {
		width: 140px;
		height: 140px;
	}

	.product-features,
	.product-cta,
	.product-screenshots .section-head {
		padding-left: 18px;
		padding-right: 18px;
	}

	.product-features {
		padding-top: 70px;
	}

	.features-grid {
		grid-template-columns: 1fr;
	}

	.screenshots-track {
		padding-left: 18px;
		padding-right: 18px;
	}

	.screenshots-track.is-portrait .screenshot-item {
		width: 240px;
	}

	.screenshots-track.is-portrait .screenshot-item img {
		max-height: 500px;
	}

	.screenshots-track.is-landscape .screenshot-item {
		width: 88vw;
		max-width: 560px;
	}

	.product-cta {
		margin: 20px 18px 60px;
		padding: 48px 24px;
	}

	.product-actions .store-badge img {
		height: 42px;
	}
}