/* ============================================
   cybernetiq — premium design system
   ============================================ */

:root {
	--bg-base: #060d1a;
	--bg-raised: #0b1526;
	--bg-glass: rgba(11, 21, 38, 0.55);
	--border: rgba(148, 184, 255, 0.08);
	--border-strong: rgba(148, 184, 255, 0.18);
	--accent: #00d4ff;
	--accent-mint: #00f5d4;
	--accent-dim: rgba(0, 212, 255, 0.1);
	--text: #e6edf7;
	--muted: #8b9bb4;
	--text-on-accent: #04121c;
	--danger: #e63946;
	--amber: #f59e0b; /* consumed by JS inline styles (status + strength meters) */
	--font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
	--font-body: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
	--font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
	--ease: cubic-bezier(0.22, 1, 0.36, 1);
	--radius: 14px;
	--header-h: 72px;
}

*,
*::before,
*::after {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

html {
	scroll-behavior: smooth;
	scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
	background: var(--bg-base);
	color: var(--text);
	font-family: var(--font-body);
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
	overflow-x: hidden;
}

::selection {
	background: rgba(0, 212, 255, 0.25);
}

h1,
h2,
h3 {
	font-family: var(--font-display);
	line-height: 1.15;
	letter-spacing: -0.02em;
}

.container {
	max-width: 1180px;
	margin: 0 auto;
	padding: 0 1.5rem;
}

.sr-only {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.skip-link {
	position: absolute;
	left: -999px;
	top: 0;
	z-index: 200;
	background: var(--accent);
	color: var(--text-on-accent);
	font-weight: 600;
	padding: 0.6rem 1.2rem;
	border-radius: 0 0 10px 0;
	text-decoration: none;
}

.skip-link:focus {
	left: 0;
}

:focus-visible {
	outline: 2px solid var(--accent);
	outline-offset: 3px;
	border-radius: 4px;
}

/* ---------- buttons ---------- */

.btn {
	display: inline-flex;
	align-items: center;
	gap: 0.55rem;
	padding: 0.85rem 1.9rem;
	border-radius: 10px;
	font-weight: 600;
	font-size: 0.98rem;
	font-family: var(--font-body);
	text-decoration: none;
	cursor: pointer;
	border: 1px solid transparent;
	transition:
		transform 0.25s var(--ease),
		box-shadow 0.25s var(--ease),
		background 0.25s,
		border-color 0.25s,
		color 0.25s;
}

.btn:disabled {
	opacity: 0.6;
	cursor: wait;
	transform: none;
}

.btn-sm {
	padding: 0.5rem 1.1rem;
	font-size: 0.88rem;
}

.btn-primary {
	background: var(--accent);
	color: var(--text-on-accent);
}

.btn-primary:hover {
	transform: translateY(-2px);
	box-shadow: 0 8px 28px rgba(0, 212, 255, 0.35);
	background: var(--accent-mint);
}

.btn-ghost {
	border-color: var(--border-strong);
	color: var(--text);
	background: transparent;
}

.btn-ghost:hover {
	transform: translateY(-2px);
	border-color: var(--accent);
	color: var(--accent);
	background: var(--accent-dim);
}

.btn svg {
	width: 18px;
	height: 18px;
}

/* ---------- header ---------- */

.site-header {
	position: fixed;
	inset: 0 0 auto 0;
	z-index: 100;
	height: var(--header-h);
	display: flex;
	align-items: center;
	border-bottom: 1px solid transparent;
	transition:
		background 0.3s,
		border-color 0.3s;
}

.site-header.scrolled {
	background: rgba(6, 13, 26, 0.75);
	backdrop-filter: blur(14px);
	-webkit-backdrop-filter: blur(14px);
	border-bottom-color: var(--border);
}

.header-inner {
	display: flex;
	align-items: center;
	gap: 2rem;
	width: 100%;
}

.logo {
	font-family: var(--font-display);
	font-size: 1.45rem;
	font-weight: 700;
	color: var(--text);
	text-decoration: none;
	letter-spacing: -0.02em;
}

.logo span {
	color: var(--accent);
}

.primary-nav {
	margin-left: auto;
}

.nav-menu {
	display: flex;
	gap: 1.75rem;
	list-style: none;
}

.nav-menu a {
	position: relative;
	color: var(--muted);
	text-decoration: none;
	font-weight: 500;
	font-size: 0.95rem;
	padding: 0.25rem 0;
	transition: color 0.25s;
}

.nav-menu a::after {
	content: '';
	position: absolute;
	left: 0;
	bottom: -2px;
	width: 100%;
	height: 2px;
	background: linear-gradient(90deg, var(--accent), var(--accent-mint));
	transform: scaleX(0);
	transform-origin: left;
	transition: transform 0.3s var(--ease);
}

.nav-menu a:hover,
.nav-menu a:focus-visible {
	color: var(--text);
}

.nav-menu a:hover::after,
.nav-menu a:focus-visible::after {
	transform: scaleX(1);
}

.header-cta {
	margin-left: 1.25rem;
}

.nav-toggle {
	display: none;
}

/* ---------- hero ---------- */

.hero {
	position: relative;
	min-height: 100svh;
	display: flex;
	align-items: center;
	padding: calc(var(--header-h) + 3rem) 0 4rem;
	overflow: hidden;
}

#hero-canvas {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	opacity: 0.5;
}

.hero-grid-bg {
	position: absolute;
	inset: 0;
	background-image:
		linear-gradient(rgba(148, 184, 255, 0.05) 1px, transparent 1px),
		linear-gradient(90deg, rgba(148, 184, 255, 0.05) 1px, transparent 1px);
	background-size: 56px 56px;
	mask-image: radial-gradient(ellipse 90% 70% at 50% 35%, #000 20%, transparent 70%);
	-webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 35%, #000 20%, transparent 70%);
}

.hero-glow {
	position: absolute;
	inset: 0;
	background:
		radial-gradient(ellipse 42% 38% at 18% 30%, rgba(0, 212, 255, 0.14), transparent 70%),
		radial-gradient(ellipse 38% 34% at 82% 70%, rgba(0, 245, 212, 0.08), transparent 70%);
}

.hero-grid {
	position: relative;
	display: grid;
	grid-template-columns: 1.15fr 0.85fr;
	gap: 4rem;
	align-items: center;
}

.badge {
	display: inline-block;
	font-family: var(--font-mono);
	font-size: 0.78rem;
	letter-spacing: 0.18em;
	text-transform: uppercase;
	color: var(--accent);
	border: 1px solid var(--border-strong);
	background: var(--accent-dim);
	padding: 0.4rem 0.9rem;
	border-radius: 999px;
	margin-bottom: 1.5rem;
}

.hero h1 {
	font-size: clamp(2.75rem, 6vw, 4.5rem);
	font-weight: 700;
	margin-bottom: 1.25rem;
}

.grad {
	background: linear-gradient(92deg, var(--accent), var(--accent-mint));
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
}

.lede {
	font-size: 1.15rem;
	color: var(--muted);
	max-width: 34rem;
	margin-bottom: 2.25rem;
}

.hero-actions {
	display: flex;
	gap: 1rem;
	flex-wrap: wrap;
}

/* ---------- status card ---------- */

.status-card {
	background: var(--bg-glass);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 1.5rem;
	backdrop-filter: blur(12px);
	-webkit-backdrop-filter: blur(12px);
	box-shadow: 0 24px 60px rgba(2, 6, 14, 0.5);
	font-size: 0.92rem;
}

.status-head {
	display: flex;
	align-items: center;
	gap: 0.6rem;
	padding-bottom: 1rem;
	margin-bottom: 1rem;
	border-bottom: 1px solid var(--border);
	font-family: var(--font-mono);
	font-size: 0.8rem;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--muted);
}

.status-dot {
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: var(--accent-mint);
	box-shadow: 0 0 10px var(--accent-mint);
	animation: pulse 2.4s infinite;
}

.status-dot.error {
	background: var(--danger);
	box-shadow: 0 0 10px var(--danger);
}

@keyframes pulse {
	0%,
	100% {
		opacity: 1;
	}
	50% {
		opacity: 0.35;
	}
}

.status-pill {
	margin-left: auto;
	padding: 0.15rem 0.7rem;
	border-radius: 999px;
	background: rgba(0, 245, 212, 0.12);
	color: var(--accent-mint);
	font-size: 0.75rem;
}

.status-pill.error {
	background: rgba(230, 57, 70, 0.12);
	color: var(--danger);
}

.status-row {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 1rem;
	padding: 0.45rem 0;
}

.status-key {
	color: var(--muted);
	font-family: var(--font-mono);
	font-size: 0.78rem;
	text-transform: uppercase;
	letter-spacing: 0.1em;
}

.status-val {
	font-weight: 500;
}

.threat-val {
	display: inline-flex;
	align-items: center;
	gap: 0.6rem;
}

.meter {
	width: 72px;
	height: 5px;
	border-radius: 999px;
	background: rgba(148, 184, 255, 0.12);
	overflow: hidden;
}

.meter-fill {
	display: block;
	height: 100%;
	width: 0;
	border-radius: inherit;
	background: var(--accent-mint);
	transition:
		width 0.9s var(--ease),
		background 0.3s;
}

.status-recs {
	list-style: none;
	margin-top: 1rem;
	padding-top: 1rem;
	border-top: 1px solid var(--border);
	display: grid;
	gap: 0.5rem;
}

.status-recs li {
	position: relative;
	padding-left: 1.4rem;
	color: var(--muted);
	font-size: 0.88rem;
}

.status-recs li::before {
	content: '';
	position: absolute;
	left: 0;
	top: 0.42em;
	width: 9px;
	height: 5px;
	border-left: 2px solid var(--accent);
	border-bottom: 2px solid var(--accent);
	transform: rotate(-45deg);
}

/* ---------- stats ---------- */

.stats {
	border-block: 1px solid var(--border);
	background: rgba(11, 21, 38, 0.35);
}

.stats-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 2rem;
	padding-block: 3rem;
}

.stat {
	text-align: center;
}

.stat-value {
	display: block;
	font-family: var(--font-display);
	font-size: clamp(2rem, 4vw, 2.9rem);
	font-weight: 700;
	background: linear-gradient(92deg, var(--text), var(--accent));
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
}

.stat-label {
	font-family: var(--font-mono);
	font-size: 0.78rem;
	text-transform: uppercase;
	letter-spacing: 0.14em;
	color: var(--muted);
}

/* ---------- sections ---------- */

.section {
	padding: 7rem 0;
}

.eyebrow {
	font-family: var(--font-mono);
	font-size: 0.8rem;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: var(--accent);
	margin-bottom: 1rem;
}

.section h2 {
	font-size: clamp(2rem, 4.5vw, 3rem);
	margin-bottom: 1rem;
}

.section-sub {
	color: var(--muted);
	max-width: 560px;
	margin-bottom: 3rem;
	font-size: 1.05rem;
}

/* ---------- service cards ---------- */

.cards-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 1.5rem;
}

.card {
	background: var(--bg-raised);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 2rem;
	transition:
		transform 0.35s var(--ease),
		border-color 0.35s,
		box-shadow 0.35s;
}

.card:hover {
	transform: translateY(-6px);
	border-color: rgba(0, 212, 255, 0.35);
	box-shadow:
		0 20px 50px rgba(2, 6, 14, 0.55),
		0 0 0 1px rgba(0, 212, 255, 0.12);
}

.icon-chip {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 52px;
	height: 52px;
	border-radius: 14px;
	background: linear-gradient(135deg, rgba(0, 212, 255, 0.16), rgba(0, 245, 212, 0.08));
	border: 1px solid rgba(0, 212, 255, 0.22);
	color: var(--accent);
	margin-bottom: 1.4rem;
}

.icon-chip svg {
	width: 26px;
	height: 26px;
}

.card h3 {
	font-size: 1.25rem;
	margin-bottom: 0.6rem;
}

.card p {
	color: var(--muted);
	font-size: 0.96rem;
}

/* ---------- threat ticker ---------- */

.ticker {
	display: flex;
	align-items: stretch;
	border-block: 1px solid var(--border);
	background: rgba(11, 21, 38, 0.5);
	overflow: hidden;
}

.ticker-tag {
	flex-shrink: 0;
	display: flex;
	align-items: center;
	padding: 0 1.25rem;
	font-family: var(--font-mono);
	font-size: 0.75rem;
	letter-spacing: 0.2em;
	font-weight: 500;
	color: var(--text-on-accent);
	background: var(--accent);
}

.ticker-viewport {
	overflow: hidden;
	flex: 1;
	display: flex;
	align-items: center;
	padding: 0.85rem 0;
}

.ticker-track {
	display: flex;
	width: max-content;
	animation: ticker-scroll 45s linear infinite;
}

.ticker:hover .ticker-track {
	animation-play-state: paused;
}

.ticker-set {
	display: flex;
	gap: 3rem;
	padding-right: 3rem;
}

.ticker-item {
	display: flex;
	gap: 0.75rem;
	align-items: baseline;
	font-family: var(--font-mono);
	font-size: 0.85rem;
	color: var(--muted);
	white-space: nowrap;
}

.ticker-item .t-time {
	color: var(--accent);
}

.ticker-item .t-sev-critical {
	color: var(--danger);
}

.ticker-item .t-src {
	opacity: 0.55;
}

@keyframes ticker-scroll {
	to {
		transform: translateX(-50%);
	}
}

/* ---------- why / split ---------- */

.split {
	display: grid;
	grid-template-columns: 1.1fr 0.9fr;
	gap: 4rem;
	align-items: start;
}

.split-copy > p {
	color: var(--muted);
}

.check-list {
	list-style: none;
	margin-top: 2rem;
	display: grid;
	gap: 1rem;
}

.check-list li {
	position: relative;
	padding-left: 2rem;
	font-weight: 500;
}

.check-list li::before {
	content: '';
	position: absolute;
	left: 0.2rem;
	top: 0.45em;
	width: 11px;
	height: 6px;
	border-left: 2px solid var(--accent-mint);
	border-bottom: 2px solid var(--accent-mint);
	transform: rotate(-45deg);
}

.split-chips {
	display: grid;
	gap: 1.25rem;
}

.chip {
	background: var(--bg-raised);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 1.5rem 1.75rem;
	transition:
		transform 0.35s var(--ease),
		border-color 0.35s;
}

.chip:hover {
	transform: translateY(-4px);
	border-color: rgba(0, 212, 255, 0.3);
}

.chip h3 {
	font-size: 1.1rem;
	margin-bottom: 0.35rem;
	color: var(--accent);
}

.chip p {
	color: var(--muted);
	font-size: 0.94rem;
}

/* ---------- passphrase generator ---------- */

.generator {
	background: var(--bg-raised);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 2.25rem;
	max-width: 720px;
}

.gen-controls {
	display: flex;
	flex-wrap: wrap;
	gap: 1.25rem;
	margin-bottom: 1.75rem;
}

.gen-controls.random-active .field,
.gen-controls.random-active .toggle:not(.toggle-random) {
	opacity: 0.4;
}

.gen-controls .field,
.gen-controls .toggle {
	transition: opacity 0.25s;
}

.field {
	display: flex;
	flex-direction: column;
	gap: 0.45rem;
}

.field-label {
	font-family: var(--font-mono);
	font-size: 0.75rem;
	text-transform: uppercase;
	letter-spacing: 0.12em;
	color: var(--muted);
}

.field input {
	width: 92px;
	background: rgba(6, 13, 26, 0.7);
	border: 1px solid var(--border-strong);
	color: var(--text);
	padding: 0.55rem 0.7rem;
	border-radius: 8px;
	font-family: var(--font-mono);
	font-size: 0.95rem;
	text-align: center;
	transition:
		border-color 0.25s,
		box-shadow 0.25s;
}

.field input:focus {
	outline: none;
	border-color: var(--accent);
	box-shadow: 0 0 0 3px var(--accent-dim);
}

.toggle {
	display: flex;
	align-items: center;
	gap: 0.6rem;
	cursor: pointer;
	user-select: none;
	align-self: end;
	padding-bottom: 0.3rem;
}

.toggle input {
	position: absolute;
	opacity: 0;
	width: 0;
	height: 0;
}

.toggle-track {
	position: relative;
	width: 44px;
	height: 24px;
	border-radius: 999px;
	background: rgba(148, 184, 255, 0.15);
	border: 1px solid var(--border-strong);
	transition:
		background 0.3s,
		border-color 0.3s;
}

.toggle-thumb {
	position: absolute;
	top: 2px;
	left: 2px;
	width: 18px;
	height: 18px;
	border-radius: 50%;
	background: var(--muted);
	transition:
		transform 0.3s var(--ease),
		background 0.3s;
}

.toggle input:checked + .toggle-track {
	background: rgba(0, 212, 255, 0.25);
	border-color: var(--accent);
}

.toggle input:checked + .toggle-track .toggle-thumb {
	transform: translateX(20px);
	background: var(--accent);
}

.toggle input:focus-visible + .toggle-track {
	outline: 2px solid var(--accent);
	outline-offset: 3px;
}

.toggle-label {
	font-family: var(--font-mono);
	font-size: 0.82rem;
	text-transform: uppercase;
	letter-spacing: 0.1em;
	color: var(--muted);
}

#generate-btn {
	margin-bottom: 1.25rem;
}

.gen-output {
	display: block;
	font-family: var(--font-mono);
	font-size: 1.05rem;
	color: var(--accent-mint);
	background: rgba(6, 13, 26, 0.8);
	border: 1px solid var(--border);
	border-radius: 10px;
	padding: 1rem 1.25rem;
	min-height: 3.4rem;
	word-break: break-all;
	margin-bottom: 1.1rem;
}

.strength {
	display: flex;
	align-items: center;
	gap: 0.9rem;
	margin-bottom: 1.25rem;
}

.strength-label {
	font-family: var(--font-mono);
	font-size: 0.75rem;
	text-transform: uppercase;
	letter-spacing: 0.12em;
	color: var(--muted);
}

.strength-bar {
	flex: 1;
	max-width: 240px;
	height: 6px;
	border-radius: 999px;
	background: rgba(148, 184, 255, 0.12);
	overflow: hidden;
}

.strength-fill {
	display: block;
	height: 100%;
	width: 0;
	background: var(--danger);
	border-radius: inherit;
	transition:
		width 0.5s var(--ease),
		background 0.3s;
}

.strength-text {
	font-family: var(--font-mono);
	font-size: 0.82rem;
	color: var(--muted);
	min-width: 9rem;
}

/* ---------- CTA band ---------- */

.cta-band {
	position: relative;
	padding: 6.5rem 0;
	text-align: center;
	border-top: 1px solid var(--border);
	background: radial-gradient(ellipse 60% 90% at 50% 120%, rgba(0, 212, 255, 0.12), transparent 70%);
	overflow: hidden;
}

.cta-band h2 {
	font-size: clamp(2rem, 4.5vw, 3rem);
	margin-bottom: 1rem;
}

.cta-band p {
	color: var(--muted);
	margin-bottom: 2rem;
}

/* ---------- footer ---------- */

footer {
	border-top: 1px solid var(--border);
	padding: 3.5rem 0 2rem;
	background: rgba(6, 13, 26, 0.6);
}

.footer-grid {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 2rem;
	flex-wrap: wrap;
	margin-bottom: 2.5rem;
}

.footer-tagline {
	color: var(--muted);
	font-size: 0.92rem;
	margin-top: 0.4rem;
}

.footer-nav {
	display: flex;
	gap: 1.5rem;
}

.footer-nav a {
	color: var(--muted);
	text-decoration: none;
	font-size: 0.92rem;
	transition: color 0.25s;
}

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

.copyright {
	text-align: center;
	color: var(--muted);
	font-size: 0.85rem;
	opacity: 0.7;
}

/* ---------- scroll reveal ---------- */

.reveal {
	opacity: 0;
	transform: translateY(16px);
	transition:
		opacity 0.6s var(--ease),
		transform 0.6s var(--ease);
	transition-delay: var(--reveal-delay, 0ms);
}

.reveal.in {
	opacity: 1;
	transform: none;
}

/* ---------- responsive ---------- */

@media (max-width: 1023px) {
	.hero-grid {
		grid-template-columns: 1fr;
		gap: 3rem;
	}

	.status-card {
		max-width: 480px;
	}

	.cards-grid {
		grid-template-columns: repeat(2, 1fr);
	}

	.split {
		grid-template-columns: 1fr;
		gap: 3rem;
	}
}

@media (max-width: 860px) {
	.nav-toggle {
		display: inline-flex;
		flex-direction: column;
		justify-content: center;
		gap: 5px;
		background: none;
		border: 0;
		cursor: pointer;
		padding: 0.5rem;
	}

	.nav-toggle span {
		display: block;
		width: 22px;
		height: 2px;
		background: var(--text);
		transition:
			transform 0.3s var(--ease),
			opacity 0.3s;
	}

	.nav-toggle[aria-expanded='true'] span:nth-child(1) {
		transform: translateY(7px) rotate(45deg);
	}

	.nav-toggle[aria-expanded='true'] span:nth-child(2) {
		opacity: 0;
	}

	.nav-toggle[aria-expanded='true'] span:nth-child(3) {
		transform: translateY(-7px) rotate(-45deg);
	}

	.nav-menu {
		position: absolute;
		top: var(--header-h);
		left: 0;
		right: 0;
		flex-direction: column;
		gap: 0;
		background: rgba(6, 13, 26, 0.96);
		backdrop-filter: blur(14px);
		-webkit-backdrop-filter: blur(14px);
		border-bottom: 1px solid var(--border);
		padding: 0.5rem 1.5rem 1rem;
		transform: translateY(-12px);
		opacity: 0;
		pointer-events: none;
		transition:
			opacity 0.25s var(--ease),
			transform 0.25s var(--ease);
	}

	.nav-menu.open {
		transform: none;
		opacity: 1;
		pointer-events: auto;
	}

	.nav-menu a {
		display: block;
		padding: 0.75rem 0;
		font-size: 1.05rem;
	}

	.header-cta {
		display: none;
	}
}

@media (max-width: 767px) {
	.section {
		padding: 4.5rem 0;
	}

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

	.stats-grid {
		grid-template-columns: repeat(2, 1fr);
		gap: 1.75rem;
	}

	.hero h1 {
		font-size: clamp(2.4rem, 9vw, 3rem);
	}

	.footer-grid {
		flex-direction: column;
		align-items: flex-start;
	}

	.generator {
		padding: 1.5rem;
	}
}

/* ---------- reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}

	*,
	*::before,
	*::after {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
	}

	.reveal {
		opacity: 1;
		transform: none;
	}

	#hero-canvas {
		display: none;
	}

	.ticker-track {
		animation: none;
	}
}