:root {
	--color-bg: #ffffff;
	--color-surface: #f6f7fb;
	--color-ink: #071141;
	--color-ink-soft: #3d4770;
	--color-muted: #7a8199;
	--color-line: #e4e7f0;
	--color-accent: #3d5afe;
	--radius-sm: 8px;
	--radius: 14px;
	--radius-lg: 20px;
	--shadow-md: 0 8px 28px rgba(7, 17, 65, 0.08);
	--shadow-lg: 0 24px 60px rgba(7, 17, 65, 0.14);
	--container: 1120px;
	--ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
	margin: 0;
	background: var(--color-bg);
	color: var(--color-ink);
	font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
	font-size: 16px;
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

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

.container {
	width: 100%;
	max-width: var(--container);
	margin: 0 auto;
	padding: 0 24px;
}

.eyebrow {
	display: inline-block;
	font-size: 12px;
	text-transform: uppercase;
	letter-spacing: 2.5px;
	color: var(--color-ink-soft);
	font-weight: 600;
	margin-bottom: 20px;
}

/* ---------- Header ---------- */
.site-header {
	position: sticky;
	top: 0;
	z-index: 50;
	background: rgba(255, 255, 255, 0.75);
	backdrop-filter: saturate(160%) blur(12px);
	-webkit-backdrop-filter: saturate(160%) blur(12px);
	border-bottom: 1px solid var(--color-line);
}

.header-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 88px;
}

.brand .sbc-logo {
	height: 54px;
	width: auto;
	display: block;
	color: var(--color-ink);
}

.site-nav {
	display: flex;
	align-items: center;
	gap: 32px;
}

.site-nav a {
	color: var(--color-ink);
	text-decoration: none;
	font-weight: 500;
	font-size: 15px;
	transition: color 0.15s;
}

.site-nav a:hover { color: var(--color-accent); }

.site-nav a.nav-cta {
	background: var(--color-ink);
	color: #fff;
	padding: 8px 16px;
	border-radius: 8px;
}

.site-nav a.nav-cta:hover { background: #0d1a5a; color: #fff; }

/* ---------- Hero ---------- */
.hero {
	position: relative;
	overflow: hidden;
	padding: 140px 0 120px;
	text-align: center;
	background: linear-gradient(180deg, #ffffff 0%, #f6f7fb 100%);
}

.hero-glow {
	position: absolute;
	top: -200px;
	left: 50%;
	transform: translateX(-50%);
	width: 900px;
	height: 600px;
	background: radial-gradient(ellipse at center, rgba(61, 90, 254, 0.14), transparent 65%);
	pointer-events: none;
	z-index: 0;
}

.hero-inner { position: relative; z-index: 1; }

.hero h1 {
	font-size: clamp(40px, 6vw, 72px);
	line-height: 1.04;
	font-weight: 700;
	letter-spacing: -0.025em;
	margin: 0 auto 24px;
	max-width: 900px;
}

.hero h1 .accent {
	background: linear-gradient(135deg, var(--color-ink) 0%, var(--color-accent) 100%);
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
}

.hero .lead {
	font-size: 19px;
	line-height: 1.6;
	color: var(--color-ink-soft);
	max-width: 640px;
	margin: 0 auto 40px;
}

.cta-row {
	display: flex;
	gap: 12px;
	justify-content: center;
	flex-wrap: wrap;
}

/* ---------- Buttons ---------- */
.btn {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 14px 24px;
	border-radius: 10px;
	font-weight: 600;
	font-size: 15px;
	text-decoration: none;
	border: 1px solid transparent;
	transition: transform 0.15s var(--ease), background 0.15s, border-color 0.15s, box-shadow 0.15s;
	cursor: pointer;
	white-space: nowrap;
}

.btn-primary {
	background: var(--color-ink);
	color: #fff;
	box-shadow: 0 1px 2px rgba(7, 17, 65, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.btn-primary:hover {
	background: #0d1a5a;
	transform: translateY(-1px);
	box-shadow: 0 10px 24px rgba(7, 17, 65, 0.2);
}

.btn-ghost {
	background: transparent;
	color: var(--color-ink);
	border-color: var(--color-line);
}

.btn-ghost:hover { border-color: var(--color-ink); }

.btn-large { padding: 18px 32px; font-size: 17px; }

.btn .arrow { transition: transform 0.2s var(--ease); }
.btn:hover .arrow { transform: translateX(3px); }

/* ---------- Sections ---------- */
.section { padding: 100px 0; }

.section-head {
	text-align: center;
	margin-bottom: 64px;
}

.section-head h2 {
	font-size: clamp(32px, 4.2vw, 48px);
	font-weight: 700;
	letter-spacing: -0.02em;
	margin: 0;
	line-height: 1.1;
	max-width: 720px;
	margin-left: auto;
	margin-right: auto;
}

/* ---------- Services ---------- */
.services-section { background: var(--color-bg); }

.services-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 20px;
}

.service-card {
	padding: 32px;
	background: var(--color-surface);
	border: 1px solid var(--color-line);
	border-radius: var(--radius);
	transition: transform 0.2s var(--ease), box-shadow 0.2s, border-color 0.2s;
}

.service-card:hover {
	transform: translateY(-3px);
	box-shadow: var(--shadow-md);
	border-color: var(--color-ink);
}

.service-icon {
	width: 44px;
	height: 44px;
	display: grid;
	place-items: center;
	background: #fff;
	border: 1px solid var(--color-line);
	border-radius: 10px;
	color: var(--color-accent);
	margin-bottom: 20px;
}

.service-icon svg { width: 22px; height: 22px; }

.service-card h3 {
	font-size: 20px;
	font-weight: 600;
	letter-spacing: -0.01em;
	margin: 0 0 10px;
}

.service-card p {
	color: var(--color-ink-soft);
	font-size: 15px;
	line-height: 1.6;
	margin: 0;
}

/* ---------- Products ---------- */
.products-section { background: var(--color-surface); }

.product-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 24px;
}

.product-card {
	display: flex;
	flex-direction: column;
	justify-content: space-between;
	gap: 32px;
	min-height: 320px;
	padding: 36px;
	background: #fff;
	border: 1px solid var(--color-line);
	border-radius: var(--radius-lg);
	color: var(--color-ink);
	text-decoration: none;
	transition: transform 0.2s var(--ease), box-shadow 0.2s, border-color 0.2s;
}

a.product-card:hover {
	transform: translateY(-4px);
	box-shadow: var(--shadow-lg);
	border-color: var(--color-ink);
}

.product-tag {
	display: inline-block;
	font-size: 11px;
	text-transform: uppercase;
	letter-spacing: 1.5px;
	font-weight: 700;
	padding: 6px 10px;
	border-radius: 999px;
	margin-bottom: 18px;
}

.tag-live {
	color: #046c4e;
	background: #d1fae5;
}

.tag-soon {
	color: var(--color-ink-soft);
	background: var(--color-line);
}

.product-card h3 {
	font-size: 30px;
	font-weight: 700;
	letter-spacing: -0.015em;
	margin: 0 0 12px;
	line-height: 1.15;
}

.product-card p {
	color: var(--color-ink-soft);
	font-size: 16px;
	line-height: 1.6;
	margin: 0;
}

.product-card-foot {
	display: flex;
	align-items: center;
	justify-content: space-between;
	font-weight: 600;
	font-size: 14px;
	color: var(--color-ink);
	padding-top: 20px;
	border-top: 1px solid var(--color-line);
}

.product-card-foot a {
	color: var(--color-ink);
	text-decoration: none;
	display: inline-flex;
	align-items: center;
	gap: 6px;
}

.product-card-foot .arrow { transition: transform 0.2s var(--ease); }
a.product-card:hover .product-card-foot .arrow { transform: translateX(4px); }
.product-card-foot a:hover .arrow { transform: translateX(4px); }

.product-card-placeholder {
	background: transparent;
	border-style: dashed;
}

/* ---------- About ---------- */
.about-section { background: var(--color-bg); }

.about-grid {
	display: grid;
	grid-template-columns: 1fr 1.3fr;
	gap: 80px;
	align-items: start;
}

.about-intro h2 {
	font-size: clamp(32px, 4.2vw, 48px);
	font-weight: 700;
	letter-spacing: -0.02em;
	margin: 0;
	line-height: 1.1;
}

.about-copy p {
	font-size: 17px;
	line-height: 1.65;
	color: var(--color-ink-soft);
	margin: 0 0 20px;
}

.about-copy p:last-of-type { margin-bottom: 36px; }

.facts {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 28px;
	border-top: 1px solid var(--color-line);
	padding-top: 28px;
	margin: 0;
}

.fact { margin: 0; }

.fact dt {
	font-size: 11px;
	text-transform: uppercase;
	letter-spacing: 2px;
	color: var(--color-muted);
	margin-bottom: 6px;
	font-weight: 600;
}

.fact dd {
	font-size: 18px;
	font-weight: 600;
	margin: 0;
	letter-spacing: -0.01em;
}

/* ---------- Contact ---------- */
.contact-section {
	background: var(--color-ink);
	color: #fff;
	text-align: center;
	position: relative;
	overflow: hidden;
}

.contact-section::before {
	content: "";
	position: absolute;
	inset: 0;
	background: radial-gradient(ellipse at 50% 0%, rgba(61, 90, 254, 0.35), transparent 60%);
	pointer-events: none;
}

.contact-inner { position: relative; z-index: 1; }

.contact-section .eyebrow { color: #9aa3c7; }

.contact-section h2 {
	font-size: clamp(32px, 4.2vw, 48px);
	font-weight: 700;
	letter-spacing: -0.02em;
	margin: 0 0 16px;
	line-height: 1.1;
}

.contact-section p {
	font-size: 18px;
	color: #c6cce0;
	margin: 0 0 36px;
}

.contact-section .btn-primary {
	background: #fff;
	color: var(--color-ink);
}

.contact-section .btn-primary:hover { background: #f0f2fa; }

/* ---------- Footer ---------- */
.site-footer {
	background: var(--color-bg);
	border-top: 1px solid var(--color-line);
	padding: 40px 0;
}

.footer-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 24px;
	flex-wrap: wrap;
}

.footer-brand .sbc-logo {
	height: 44px;
	width: auto;
	display: block;
	color: var(--color-ink);
}

.footer-meta {
	font-size: 13px;
	color: var(--color-muted);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
	.services-grid { grid-template-columns: 1fr; }
	.product-grid { grid-template-columns: 1fr; }
	.about-grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 720px) {
	.site-nav { display: none; }
	.header-inner { justify-content: center; }
	.brand .sbc-logo { height: 48px; max-width: 100%; }
	.hero { padding: 90px 0 80px; }
	.section { padding: 70px 0; }
	.section-head { margin-bottom: 40px; }
	.product-card { padding: 28px; min-height: auto; }
	.facts { grid-template-columns: 1fr 1fr; }
	.footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
	.cta-row .btn { flex: 1; justify-content: center; }
	.facts { grid-template-columns: 1fr; }
}