:root {
	--bg: #050507;
	--bg-strong: #12141b;
	--surface: #111317;
	--surface-strong: #181b22;
	--text: #f0f2f6;
	--muted: #a3aab9;
	--accent: #b61322;
	--accent-strong: #ff4153;
	--accent-soft: rgba(255, 65, 83, 0.18);
	--warm: #ff5a69;
	--line: rgba(240, 242, 246, 0.16);
	--shadow: 0 12px 28px rgba(0, 0, 0, 0.38);
	--font-apple: "SF Pro Text", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial, sans-serif;
	--font-apple-display: "SF Pro Display", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial, sans-serif;
	--radius-md: 16px;
	--radius-lg: 24px;
	--max-width: 1120px;
}

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

html {
	scroll-behavior: smooth;
}

body {
	font-family: var(--font-apple);
	color: var(--text);
	line-height: 1.65;
	background:
		radial-gradient(circle at 8% 12%, rgba(255, 65, 83, 0.18), transparent 34%),
		radial-gradient(circle at 92% 4%, rgba(184, 191, 203, 0.14), transparent 36%),
		linear-gradient(160deg, var(--bg) 0%, #0c0e13 54%, var(--bg-strong) 100%);
	min-height: 100vh;
	overflow-x: hidden;
}

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

h1,
h2,
h3 {
	font-family: var(--font-apple-display);
	line-height: 1.12;
	letter-spacing: -0.015em;
}

.background-layer {
	inset: 0;
	pointer-events: none;
	position: fixed;
	z-index: -1;
}

.orb {
	border-radius: 999px;
	filter: blur(60px);
	opacity: 0.6;
	position: absolute;
}

.orb-a {
	background: rgba(255, 65, 83, 0.34);
	height: 220px;
	left: -40px;
	top: 260px;
	width: 220px;
}

.orb-b {
	background: rgba(189, 196, 208, 0.28);
	height: 260px;
	right: -50px;
	top: 460px;
	width: 260px;
}

.grid-fade {
	background-image:
		linear-gradient(rgba(240, 242, 246, 0.055) 1px, transparent 1px),
		linear-gradient(90deg, rgba(240, 242, 246, 0.055) 1px, transparent 1px);
	background-size: 34px 34px;
	inset: 0;
	mask-image: radial-gradient(ellipse at center, black 45%, transparent 100%);
	position: absolute;
}

.site-header {
	align-items: center;
	backdrop-filter: blur(12px);
	background: rgba(10, 12, 17, 0.9);
	border: 1px solid var(--line);
	border-radius: 999px;
	display: flex;
	gap: 1rem;
	margin: 1rem auto 0;
	padding: 0.7rem 1rem;
	position: sticky;
	top: 0.85rem;
	width: min(var(--max-width), calc(100% - 2rem));
	z-index: 40;
}

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

.brand-mark {
	align-items: center;
	background: linear-gradient(145deg, #770b16, var(--accent-strong));
	border-radius: 50%;
	color: #f7f8fb;
	display: inline-flex;
	font-family: var(--font-apple-display);
	font-size: 1rem;
	font-weight: 700;
	height: 2rem;
	justify-content: center;
	width: 2rem;
}

.brand-text {
	font-size: 1.05rem;
	font-weight: 700;
	letter-spacing: 0.01em;
}

.site-nav {
	align-items: center;
	display: flex;
	gap: 0.3rem;
	margin-left: auto;
}

.site-nav a {
	border-radius: 999px;
	color: var(--muted);
	font-size: 0.92rem;
	font-weight: 500;
	letter-spacing: 0.01em;
	padding: 0.45rem 0.75rem;
	transition: background-color 0.25s ease, color 0.25s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
	background: var(--accent-soft);
	color: var(--accent-strong);
	outline: none;
}

.menu-toggle {
	background: transparent;
	border: 1px solid var(--line);
	border-radius: 999px;
	color: var(--text);
	cursor: pointer;
	display: none;
	font-family: inherit;
	font-size: 0.9rem;
	font-weight: 600;
	margin-left: auto;
	padding: 0.4rem 0.8rem;
}

main {
	padding-bottom: 4rem;
}

.section {
	margin: 0 auto;
	padding: clamp(3.2rem, 7vw, 6rem) 0;
	width: min(var(--max-width), calc(100% - 2rem));
}

.hero {
	padding-top: clamp(4.5rem, 9vw, 7.8rem);
	text-align: left;
}

.eyebrow {
	color: var(--accent-strong);
	font-size: 0.82rem;
	font-weight: 700;
	letter-spacing: 0.14em;
	text-transform: uppercase;
}

.hero h1 {
	font-size: clamp(2.5rem, 7.2vw, 5rem);
	margin-top: 0.85rem;
	max-width: 13ch;
}

.lead {
	color: var(--muted);
	font-size: 1.08rem;
	margin-top: 1.2rem;
	max-width: 60ch;
}

.hero-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.9rem;
	margin-top: 2rem;
}

.btn {
	align-items: center;
	border-radius: 999px;
	cursor: pointer;
	display: inline-flex;
	font-family: inherit;
	font-size: 0.95rem;
	font-weight: 700;
	justify-content: center;
	min-width: 160px;
	padding: 0.8rem 1.4rem;
	transition: transform 0.2s ease, box-shadow 0.25s ease, background-color 0.25s ease, color 0.25s ease;
}

.btn:focus-visible {
	outline: 2px solid var(--accent-strong);
	outline-offset: 2px;
}

.btn-primary {
	background: linear-gradient(145deg, #830c18, var(--accent-strong));
	border: 1px solid transparent;
	color: #fff6f7;
	box-shadow: 0 8px 24px rgba(182, 19, 34, 0.45);
}

.btn-secondary {
	background: rgba(255, 255, 255, 0.05);
	border: 1px solid var(--line);
	color: var(--text);
}

.btn:hover {
	transform: translateY(-2px);
}

.btn:active {
	transform: translateY(0);
}

.btn[disabled] {
	cursor: not-allowed;
	opacity: 0.6;
	transform: none;
}

.stats {
	display: grid;
	gap: 0.9rem;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	list-style: none;
	margin-top: 2.4rem;
}

.stats li {
	background: rgba(22, 25, 33, 0.75);
	border: 1px solid var(--line);
	border-radius: var(--radius-md);
	box-shadow: var(--shadow);
	padding: 1rem;
}

.stats strong {
	color: var(--accent-strong);
	display: block;
	font-size: 1.22rem;
	margin-bottom: 0.35rem;
}

.stats span {
	color: var(--muted);
	font-size: 0.92rem;
}

.section-heading {
	margin-bottom: 1.7rem;
	max-width: 68ch;
}

.tag {
	color: var(--warm);
	font-size: 0.82rem;
	font-weight: 700;
	letter-spacing: 0.12em;
	text-transform: uppercase;
}

.section-heading h2 {
	font-size: clamp(1.8rem, 4vw, 2.9rem);
	margin-top: 0.55rem;
	max-width: 20ch;
}

.section-heading p {
	color: var(--muted);
	margin-top: 0.8rem;
}

.highlight-line {
	background: linear-gradient(120deg, rgba(182, 19, 34, 0.2), rgba(255, 255, 255, 0.04));
	border: 1px solid rgba(255, 65, 83, 0.35);
	border-left: 4px solid var(--accent-strong);
	border-radius: 12px;
	color: #ffd9de;
	font-size: 1rem;
	font-weight: 600;
	margin-bottom: 1rem;
	max-width: 760px;
	padding: 0.85rem 1rem;
}

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

.flow-grid {
	display: grid;
	gap: 1rem;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	position: relative;
}

.flow-grid::before {
	background: linear-gradient(90deg, rgba(255, 65, 83, 0.12), rgba(255, 65, 83, 0.38), rgba(255, 65, 83, 0.12));
	content: "";
	height: 2px;
	left: 5%;
	position: absolute;
	right: 5%;
	top: 28px;
	z-index: 0;
}

.step-card {
	position: relative;
	z-index: 1;
}

.step-number {
	align-items: center;
	background: linear-gradient(145deg, #870d1a, var(--accent-strong));
	border: 1px solid rgba(255, 65, 83, 0.6);
	border-radius: 50%;
	box-shadow: 0 0 0 6px rgba(5, 5, 7, 0.8);
	color: #fff0f2;
	display: inline-flex;
	font-weight: 700;
	height: 34px;
	justify-content: center;
	margin-bottom: 0.8rem;
	width: 34px;
}

.flow-support {
	color: var(--muted);
	font-size: 0.98rem;
	margin-top: 1rem;
	max-width: 70ch;
}

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

.card-grid,
.split-grid {
	display: grid;
	gap: 1rem;
	grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card,
.panel {
	background: rgba(18, 20, 27, 0.86);
	border: 1px solid var(--line);
	border-radius: var(--radius-lg);
	box-shadow: var(--shadow);
	overflow: hidden;
	padding: 1.35rem;
	position: relative;
	transition: border-color 0.25s ease, transform 0.2s ease;
}

.card::before,
.panel::before {
	background: linear-gradient(90deg, transparent 0%, rgba(255, 65, 83, 0.5) 40%, transparent 100%);
	content: "";
	height: 1px;
	left: 0;
	position: absolute;
	top: 0;
	width: 100%;
}

.card h3,
.panel h3 {
	font-size: 1.36rem;
	margin-bottom: 0.55rem;
}

.card p,
.panel p {
	color: var(--muted);
	line-height: 1.7;
}

.card:hover,
.panel:hover {
	border-color: rgba(255, 65, 83, 0.48);
	transform: translateY(-2px);
}

.about-layout {
	align-items: start;
	display: grid;
	gap: 1.4rem;
	grid-template-columns: 1.4fr 1fr;
}

.about-layout p {
	color: var(--muted);
}

.checklist {
	background: rgba(17, 19, 25, 0.8);
	border: 1px solid var(--line);
	border-radius: var(--radius-md);
	box-shadow: var(--shadow);
	list-style: none;
	padding: 1rem;
}

.checklist li {
	color: var(--text);
	font-size: 0.95rem;
	margin: 0.55rem 0;
	padding-left: 1.5rem;
	position: relative;
}

.checklist li::before {
	color: var(--accent-strong);
	content: "\2713";
	font-weight: 700;
	left: 0;
	position: absolute;
	top: 0;
}

.demo-panel {
	background: var(--surface-strong);
	border: 1px solid var(--line);
	border-radius: var(--radius-lg);
	box-shadow: var(--shadow);
	max-width: 640px;
	padding: 1.3rem;
}

.input-label {
	display: inline-block;
	font-size: 0.92rem;
	font-weight: 600;
	margin-bottom: 0.55rem;
}

#fileInput {
	background: rgba(10, 11, 15, 0.95);
	border: 1px solid var(--line);
	border-radius: 11px;
	color: var(--text);
	font-family: inherit;
	padding: 0.7rem;
	width: 100%;
}

#analyzeBtn {
	margin-top: 0.95rem;
}

.result {
	border-radius: 12px;
	font-size: 0.95rem;
	margin-top: 1rem;
	min-height: 46px;
	padding: 0.72rem 0.85rem;
	transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.result[data-state="neutral"] {
	background: rgba(255, 255, 255, 0.05);
	border: 1px dashed var(--line);
	color: var(--muted);
}

.result[data-state="pending"] {
	background: rgba(255, 65, 83, 0.13);
	border: 1px solid rgba(255, 65, 83, 0.4);
	color: #ff8f9b;
}

.result[data-state="safe"] {
	background: rgba(184, 191, 203, 0.14);
	border: 1px solid rgba(184, 191, 203, 0.35);
	color: #e6e9ef;
}

.result[data-state="risk"] {
	background: rgba(182, 19, 34, 0.2);
	border: 1px solid rgba(255, 65, 83, 0.45);
	color: #ff9ca6;
}

.faq-list {
	display: grid;
	gap: 0.8rem;
	max-width: 800px;
}

.faq-item {
	background: rgba(18, 20, 27, 0.86);
	border: 1px solid var(--line);
	border-radius: var(--radius-md);
	box-shadow: var(--shadow);
	padding: 0.9rem 1rem;
}

.faq-item summary {
	cursor: pointer;
	font-family: var(--font-apple-display);
	font-size: 1.16rem;
	font-weight: 600;
}

.faq-item p {
	color: var(--muted);
	margin-top: 0.7rem;
}

.cta {
	background: linear-gradient(135deg, rgba(255, 65, 83, 0.16), rgba(184, 191, 203, 0.12));
	border: 1px solid var(--line);
	border-radius: 30px;
	text-align: center;
}

.cta h2 {
	font-size: clamp(1.95rem, 4vw, 3rem);
}

.cta p {
	color: var(--muted);
	margin: 0.8rem auto 1.4rem;
	max-width: 56ch;
}

.site-footer {
	border-top: 1px solid var(--line);
	color: var(--muted);
	font-size: 0.9rem;
	margin: 0 auto;
	padding: 1.4rem 0 2.4rem;
	text-align: center;
	width: min(var(--max-width), calc(100% - 2rem));
}

.reveal {
	opacity: 0;
	transform: translateY(24px);
	transition: opacity 0.7s ease, transform 0.7s ease;
	transition-delay: var(--delay, 0s);
}

.reveal.is-visible {
	opacity: 1;
	transform: translateY(0);
}

@media (max-width: 980px) {
	.stats {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.card-grid,
	.split-grid,
	.impact-grid,
	.flow-grid,
	.help-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.flow-grid::before {
		display: none;
	}

	.about-layout {
		grid-template-columns: 1fr;
	}

	.menu-toggle {
		display: inline-flex;
	}

	.site-nav {
		background: rgba(16, 18, 24, 0.98);
		border: 1px solid var(--line);
		border-radius: 16px;
		box-shadow: var(--shadow);
		display: none;
		left: 0;
		margin-left: 0;
		padding: 0.55rem;
		position: absolute;
		right: 0;
		top: calc(100% + 0.55rem);
	}

	.site-nav.is-open {
		display: flex;
		flex-direction: column;
	}

	.site-nav a {
		width: 100%;
	}

	.section {
		width: min(var(--max-width), calc(100% - 1.5rem));
	}
}

@media (max-width: 700px) {
	.site-header {
		border-radius: 18px;
		top: 0.5rem;
	}

	.stats,
	.card-grid,
	.split-grid,
	.impact-grid,
	.flow-grid,
	.help-grid {
		grid-template-columns: 1fr;
	}

	.hero-actions {
		width: 100%;
	}

	.hero-actions .btn {
		flex: 1;
		min-width: 0;
	}

	.faq-item summary {
		font-size: 1.08rem;
	}
}

@media (prefers-reduced-motion: reduce) {
	* {
		animation: none !important;
		scroll-behavior: auto;
		transition: none !important;
	}

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