:root {
	--bg: #f4efe5;
	--bg-alt: #ebe3d5;
	--surface: rgba(255, 255, 255, 0.76);
	--surface-strong: rgba(255, 255, 255, 0.92);
	--text: #1d2631;
	--muted: #5b6674;
	--line: rgba(26, 41, 62, 0.12);
	--blue: #2858a6;
	--blue-deep: #16366c;
	--blue-soft: #6e93cf;
	--shadow: 0 24px 60px rgba(31, 44, 63, 0.16);
	--radius: 28px;
	--content: 1180px;
}

* {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	font-family: "Open Sans", sans-serif;
	color: var(--text);
	background:
		radial-gradient(circle at top left, rgba(110, 147, 207, 0.32), transparent 34%),
		radial-gradient(circle at top right, rgba(255, 255, 255, 0.55), transparent 24%),
		linear-gradient(180deg, #f8f4eb 0%, var(--bg) 52%, #e5ddcf 100%);
	line-height: 1.6;
}

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

a {
	color: inherit;
	text-decoration: none;
}

.site-header {
	position: sticky;
	top: 0;
	z-index: 10;
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 24px;
	padding: 18px clamp(20px, 4vw, 48px);
	background: rgba(244, 239, 229, 0.78);
	backdrop-filter: blur(14px);
	border-bottom: 1px solid rgba(22, 54, 108, 0.08);
}

.brand {
	font-family: "Open Sans", sans-serif;
	font-size: 1.2rem;
	letter-spacing: 0.02em;
}

.site-nav {
	display: flex;
	flex-wrap: wrap;
	justify-content: flex-end;
	gap: 18px;
	font-size: 0.95rem;
	color: var(--muted);
}

.site-nav a:hover,
.site-nav a:focus-visible {
	color: var(--blue-deep);
}

.section {
	width: min(var(--content), calc(100% - 32px));
	margin: 0 auto;
	padding: clamp(56px, 8vw, 112px) 0;
}

.section-alt {
	position: relative;
}

.section-alt::before {
	content: "";
	position: absolute;
	inset: 22px -14px;
	background: linear-gradient(180deg, rgba(255, 255, 255, 0.46), rgba(255, 255, 255, 0.2));
	border-radius: 34px;
	border: 1px solid rgba(255, 255, 255, 0.42);
	z-index: -1;
}

.hero {
	display: grid;
	grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
	gap: clamp(32px, 5vw, 72px);
	align-items: start;
	min-height: calc(100vh - 84px);
}

.eyebrow {
	margin: 0 0 12px;
	font-size: 0.84rem;
	font-weight: 800;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--blue);
}

h1,
h2,
h3 {
	margin: 0;
	line-height: 1.1;
}

h1,
h2 {
	font-family: "Open Sans", sans-serif;
	font-weight: 600;
}

h1 {
	font-size: clamp(2.5rem, 5.4vw, 4.3rem);
	max-width: 15ch;
}

h2 {
	font-size: clamp(2rem, 4vw, 3.3rem);
	max-width: 16ch;
}

h3 {
	font-size: 1.2rem;
}

.lead,
.section-intro,
.closing-card p,
.info-card p,
.spec-card p,
.reason-item p,
.quote-text,
.sample-card figcaption,
.hero-note span {
	color: var(--muted);
}

.lead {
	font-size: 1.08rem;
	max-width: 62ch;
	margin: 22px 0 0;
}

.cta-row {
	display: flex;
	flex-wrap: wrap;
	gap: 14px;
	margin-top: 30px;
}

.button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 52px;
	padding: 0 22px;
	border-radius: 999px;
	font-weight: 800;
	transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover,
.button:focus-visible {
	transform: translateY(-1px);
}

.button-primary {
	color: #fff;
	background: linear-gradient(135deg, #3f79cb, var(--blue-deep));
	box-shadow: 0 16px 36px rgba(40, 88, 166, 0.24);
}

.button-secondary {
	color: var(--blue-deep);
	background: rgba(255, 255, 255, 0.68);
	border: 1px solid rgba(40, 88, 166, 0.16);
}

.hero-points {
	margin: 26px 0 0;
	padding: 0;
	list-style: none;
	display: grid;
	gap: 14px;
}

.hero-points li {
	position: relative;
	padding-left: 28px;
	color: var(--muted);
}

.hero-points li::before {
	content: "";
	position: absolute;
	left: 0;
	top: 0.5em;
	width: 12px;
	height: 12px;
	border-radius: 50%;
	background: linear-gradient(135deg, var(--blue-soft), var(--blue));
	box-shadow: 0 0 0 4px rgba(40, 88, 166, 0.08);
}

.hero-visual {
	display: grid;
	gap: 18px;
}

.hero-book-stack {
	position: relative;
	display: grid;
	place-items: center;
	border-radius: 34px;
	overflow: hidden;
	background: linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.4));
	box-shadow: var(--shadow);
}

.hero-book-stack::before {
	content: "";
	position: absolute;
	inset: 0;
	background: linear-gradient(155deg, rgba(255, 255, 255, 0.7), transparent 45%, rgba(40, 88, 166, 0.12));
}

.book-main {
	position: absolute;
	width: min(84%, 440px);
	height: auto;
	object-fit: contain;
	filter: drop-shadow(0 18px 32px rgba(25, 42, 67, 0.18));
	left: 4%;
	bottom: 2%;
}

.hero-book-stack .book-main {
	position: relative;
	left: auto;
	bottom: auto;
	width: 100%;
	z-index: 1;
}

.hero-note {
	display: grid;
	gap: 4px;
	padding: 18px 20px;
	border-radius: 22px;
	background: var(--surface-strong);
	border: 1px solid rgba(255, 255, 255, 0.7);
	box-shadow: var(--shadow);
}

.section-heading {
	display: grid;
	gap: 14px;
	margin-bottom: 34px;
}

.section-heading.narrow {
	max-width: 780px;
}

.card-grid {
	display: grid;
	gap: 18px;
}

.three-up {
	grid-template-columns: repeat(3, minmax(0, 1fr));
}

.info-card,
.spec-card,
.quote-panel,
.sample-card,
.closing-card {
	background: var(--surface);
	border: 1px solid rgba(255, 255, 255, 0.62);
	border-radius: var(--radius);
	box-shadow: var(--shadow);
}

.info-card,
.spec-card {
	padding: 28px;
}

.info-card p,
.spec-card p {
	margin: 14px 0 0;
}

.reasons-layout {
	display: grid;
	grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
	gap: 24px;
	align-items: start;
}

.reason-list {
	display: grid;
	gap: 18px;
}

.reason-item {
	display: grid;
	grid-template-columns: 72px minmax(0, 1fr);
	gap: 16px;
	padding: 22px 0;
	border-top: 1px solid var(--line);
}

.reason-item:last-child {
	border-bottom: 1px solid var(--line);
}

.reason-number {
	font-family: "Open Sans", sans-serif;
	font-size: 2rem;
	font-weight: 800;
	color: var(--blue);
}

.quote-panel {
	padding: 28px;
	background: linear-gradient(180deg, rgba(23, 54, 108, 0.94), rgba(48, 94, 170, 0.92));
	color: #fff;
}

.quote-mark {
	margin: 0;
	font-family: "Open Sans", sans-serif;
	font-size: 5rem;
	font-weight: 800;
	line-height: 0.8;
}

.quote-text,
.quote-source {
	color: rgba(255, 255, 255, 0.9);
}

.quote-text {
	font-size: 1.2rem;
	font-weight: 700;
}

.product-layout {
	display: grid;
	grid-template-columns: minmax(320px, 0.95fr) minmax(0, 1.05fr);
	gap: 28px;
	align-items: start;
}

.app-layout {
	display: grid;
	grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
	gap: 28px;
	align-items: start;
}

.app-showcase {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 14px;
}

.app-card {
	margin: 0;
	padding: 10px;
	border-radius: 24px;
	overflow: hidden;
	background: rgba(255, 255, 255, 0.7);
	border: 1px solid rgba(255, 255, 255, 0.62);
	box-shadow: var(--shadow);
	max-height: 85vh;
}

.app-card:first-child {
	grid-column: 1 / -1;
}

.app-card img {
	width: 100%;
	border-radius: 16px;
	height: 100%;
	object-fit: cover;
	object-position: top center;
}

.gallery-feature,
.gallery-strip img {
	margin: 0;
	border-radius: 26px;
	overflow: hidden;
	background: rgba(255, 255, 255, 0.72);
	box-shadow: var(--shadow);
}

.gallery-feature img {
	border-radius: 10px;
}

.gallery-feature {
	padding: 24px;
}

.gallery-strip {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 14px;
	margin-top: 14px;
}

.gallery-strip img {
	width: 100%;
	height: auto;
	padding: 10px;
}

.spec-grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 18px;
}

.sample-grid {
	display: grid;
	grid-template-columns: 1fr 1fr 1fr;
	gap: 18px;
}

.sample-card {
	overflow: hidden;
    margin-inline-start: 0px;
    margin-inline-end: 0px;
    max-height: 85vh;
    aspect-ratio: 0.62;
    background: #fff;
}

.sample-card img {
	width: 100%;
	object-fit: contain;
	background: #fff;
    margin-top: var(--radius);
}

.sample-card figcaption {
	padding: 18px 22px 22px;
}

.immersive-frame {
    margin-top: 1.4em;
	border-radius: 34px;
	background: linear-gradient(180deg, rgba(28, 35, 48, 0.92), rgba(49, 59, 78, 0.92));
	box-shadow: var(--shadow);
    overflow: hidden;
    max-height: 85vh;
    aspect-ratio: 1;
}

.cloudimage-360 {
	width: 100%;
	min-height: 620px;
}

.closing-section {
	padding-top: 24px;
}

.closing-card {
	padding: clamp(28px, 4vw, 54px);
	background: linear-gradient(135deg, rgba(255, 255, 255, 0.86), rgba(219, 229, 246, 0.74));
}

.site-footer {
	padding: 22px 0 30px;
	border-top: 1px solid rgba(22, 54, 108, 0.12);
	background: linear-gradient(180deg, rgba(255, 255, 255, 0.45), rgba(232, 225, 212, 0.82));
}

.site-footer-inner {
	width: min(var(--content), calc(100% - 32px));
	margin: 0 auto;
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 16px;
	flex-wrap: wrap;
}

.site-footer-title {
	margin: 0;
	font-weight: 700;
	color: var(--blue-deep);
}

.site-footer-links {
	display: flex;
	align-items: center;
	gap: 12px;
	flex-wrap: wrap;
}

.site-footer-links a {
	padding: 9px 14px;
	border-radius: 999px;
	background: rgba(255, 255, 255, 0.7);
	border: 1px solid rgba(40, 88, 166, 0.14);
	color: var(--blue-deep);
	font-weight: 700;
	font-size: 0.92rem;
	transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.site-footer-links a:hover,
.site-footer-links a:focus-visible {
	transform: translateY(-1px);
	background: rgba(255, 255, 255, 0.9);
	box-shadow: 0 10px 20px rgba(40, 88, 166, 0.14);
}

@media (max-width: 1080px) {
	.hero,
	.reasons-layout,
	.app-layout,
	.product-layout,
	.sample-grid {
		grid-template-columns: 1fr;
	}

	.three-up,
	.spec-grid,
	.gallery-strip {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.sample-card-wide {
		grid-row: auto;
	}

	.hero {
		min-height: auto;
		padding-top: 40px;
	}

	.app-showcase {
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}

	.app-card:first-child {
		grid-column: auto;
	}

}

@media (max-width: 720px) {
	.site-header {
		align-items: flex-start;
		flex-direction: column;
	}

	.site-nav {
		justify-content: flex-start;
	}

	.section {
		width: min(var(--content), calc(100% - 24px));
	}

	.site-footer-inner {
		width: min(var(--content), calc(100% - 24px));
	}

	.three-up,
	.spec-grid,
	.gallery-strip,
	.app-showcase {
		grid-template-columns: 1fr;
	}

    .gallery-feature img {
		width: 100%;
		height: auto;
        border-radius: 18px;
    }

    .gallery-feature {
		padding: 10px;
    }

	.reason-item {
		grid-template-columns: 1fr;
	}

	.cloudimage-360 {
		min-height: 420px;
	}

	h1 {
		max-width: none;
	}
}