@import url("https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.7.2/css/all.min.css");
/* Modern CSS Reset and Base Styles */
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

:root {
	/* Color Palette - Modern 2025 */
	--primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	--secondary-gradient: linear-gradient(135deg, #40d73c 0%, #00aeef 100%);
	--accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
	--dark-gradient: linear-gradient(135deg, #2c3e50 0%, #4a6741 100%);

	--primary-color: #667eea;
	--secondary-color: #764ba2;
	--accent-color: #4facfe;
	--success-color: #10b981;
	--warning-color: #f59e0b;
	--error-color: #ef4444;

	--text-primary: #1a202c;
	--text-secondary: #4a5568;
	--text-muted: #718096;
	--text-light: #ffffff;

	--bg-primary: #ffffff;
	--bg-secondary: #f7fafc;
	--bg-dark: #1a202c;
	--bg-glass: rgba(255, 255, 255, 0.1);

	--border-color: #e2e8f0;
	--border-radius-sm: 8px;
	--border-radius-md: 12px;
	--border-radius-lg: 20px;
	--border-radius-xl: 32px;

	--shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
	--shadow-md: 0 4px 15px rgba(0, 0, 0, 0.1);
	--shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
	--shadow-xl: 0 25px 50px rgba(0, 0, 0, 0.25);

	--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
		Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
	--font-size-xs: 0.75rem;
	--font-size-sm: 0.875rem;
	--font-size-base: 1rem;
	--font-size-lg: 1.125rem;
	--font-size-xl: 1.25rem;
	--font-size-2xl: 1.5rem;
	--font-size-3xl: 1.875rem;
	--font-size-4xl: 2.25rem;
	--font-size-5xl: 3rem;
	--font-size-6xl: 3.75rem;

	--spacing-1: 0.25rem;
	--spacing-2: 0.5rem;
	--spacing-3: 0.75rem;
	--spacing-4: 1rem;
	--spacing-5: 1.25rem;
	--spacing-6: 1.5rem;
	--spacing-8: 2rem;
	--spacing-10: 2.5rem;
	--spacing-12: 3rem;
	--spacing-16: 4rem;
	--spacing-20: 5rem;
	--spacing-24: 6rem;
}

html {
	scroll-behavior: smooth;
}

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

.container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 var(--spacing-6);
}

/* Header Styles */
.header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 1000;
	background: rgba(255, 255, 255, 0.95);
	backdrop-filter: blur(20px);
	border-bottom: 1px solid rgba(255, 255, 255, 0.2);
	padding: var(--spacing-4) 0;
    box-shadow: 0 0 2.5rem #0004;
}

.logo {
    font-size: 1.25rem;
    font-weight: normal;
    line-height: 1.25;
    text-align: center;

	a {
		text-align: left;
        text-decoration: none;
        color: #000;
		display: inline-flex;
		align-items: center;
        justify-content: center;
        gap: 1rem;
        transition: filter 0.3s ease;

        &:hover {
            filter: drop-shadow(0 .25rem .5rem var(--accent-color));
        }
	}

	img,
	strong,
	small {
		display: block;
	}
}

/* Hero Section */
.hero {
	position: relative;
	min-height: 100vh;
	display: flex;
	align-items: center;
	overflow: hidden;
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.hero-background {
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: radial-gradient(
			circle at 20% 80%,
			rgba(120, 119, 198, 0.3) 0%,
			transparent 50%
		),
		radial-gradient(
			circle at 80% 20%,
			rgba(255, 119, 198, 0.3) 0%,
			transparent 50%
		),
		radial-gradient(
			circle at 40% 40%,
			rgba(120, 219, 255, 0.2) 0%,
			transparent 50%
		);
	animation: backgroundShift 20s ease-in-out infinite;
}

@keyframes backgroundShift {
	0%,
	100% {
		transform: scale(1) rotate(0deg);
	}
	50% {
		transform: scale(1.1) rotate(1deg);
	}
}

.hero-content {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--spacing-16);
	align-items: center;
	position: relative;
	z-index: 10;
	padding: var(--spacing-24) 0;
}

.hero-title {
	font-size: var(--font-size-5xl);
	font-weight: 900;
	line-height: 1.1;
	color: var(--text-light);
	margin-bottom: var(--spacing-6);
	letter-spacing: -0.025em;
}

.highlight {
	background: var(--secondary-gradient);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
	position: relative;

	&::after {
		content: "";
		position: absolute;
		bottom: -4px;
		left: 0;
		right: 0;
		height: 4px;
		background: var(--secondary-gradient);
		border-radius: 2px;
		opacity: 0.7;
	}
}

.hero-subtitle {
	font-size: var(--font-size-xl);
	color: rgba(255, 255, 255, 0.9);
	margin-bottom: var(--spacing-8);
	line-height: 1.7;
}

.hero-buttons {
	display: flex;
	gap: var(--spacing-4);
	margin-bottom: var(--spacing-12);
}

.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: var(--spacing-4) var(--spacing-8);
	border-radius: var(--border-radius-lg);
	font-weight: 600;
	font-size: var(--font-size-lg);
	text-decoration: none;
	transition: all 0.3s ease;
	position: relative;
	overflow: hidden;
	border: none;
	cursor: pointer;
}

.btn-primary {
	background: var(--secondary-gradient);
	color: var(--text-light);
	box-shadow: var(--shadow-lg);

	&:hover {
		transform: translateY(-2px);
		box-shadow: var(--shadow-xl);
	}
}

.btn-secondary {
	background: rgba(255, 255, 255, 0.2);
	color: var(--text-light);
	border: 2px solid rgba(255, 255, 255, 0.3);
	backdrop-filter: blur(10px);

	&:hover {
		background: rgba(255, 255, 255, 0.3);
		transform: translateY(-2px);
	}
}

.trust-indicators {
	display: flex;
	gap: var(--spacing-8);
}

.trust-item {
	text-align: center;
}

.trust-number {
	display: block;
	font-size: var(--font-size-2xl);
	font-weight: 800;
	color: var(--text-light);
	line-height: 1;
}

.trust-label {
	display: block;
	font-size: var(--font-size-sm);
	color: rgba(255, 255, 255, 0.8);
	margin-top: var(--spacing-1);
}

/* Hero Visual */
.hero-visual {
	display: flex;
	justify-content: center;
	align-items: center;
}

.file-visualization {
	display: flex;
	align-items: center;
	gap: var(--spacing-6);
}

.file-stack {
	display: flex;
	flex-direction: column;
	gap: var(--spacing-2);
}

.file {
	display: flex;
	align-items: center;
	gap: var(--spacing-3);
	padding: var(--spacing-3) var(--spacing-4);
	background: rgba(255, 255, 255, 0.95);
	border-radius: var(--border-radius-md);
	box-shadow: var(--shadow-md);
	backdrop-filter: blur(10px);
	animation: fileFloat 3s ease-in-out infinite;
}

.file.duplicate {
	opacity: 0.7;
	animation-delay: 0.5s;

	&:nth-child(3) {
		animation-delay: 1s;
	}
}

@keyframes fileFloat {
	0%,
	100% {
		transform: translateY(0px);
	}
	50% {
		transform: translateY(-5px);
	}
}

.file-icon {
	font-size: var(--font-size-lg);
}

.file-name {
	font-size: var(--font-size-sm);
	font-weight: 500;
	color: var(--text-secondary);
}

.arrow {
	font-size: var(--font-size-3xl);
	color: var(--text-light);
	animation: arrowPulse 2s ease-in-out infinite;
}

@keyframes arrowPulse {
	0%,
	100% {
		transform: scale(1);
		opacity: 1;
	}
	50% {
		transform: scale(1.1);
		opacity: 0.8;
	}
}

.file-clean {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: var(--spacing-3);
}

.storage-saved {
	background: var(--error-color);
	color: var(--text-light);
	padding: var(--spacing-2) var(--spacing-4);
	border-radius: var(--border-radius-md);
	font-size: var(--font-size-sm);
	font-weight: 600;
	animation: savedPulse 2s ease-in-out infinite;
}

@keyframes savedPulse {
	0%,
	100% {
		transform: scale(1) rotate(-3deg);
	}
	50% {
		transform: scale(1.05) rotate(-4deg);
	}
}

/* Problem Section */
.problem {
	padding: var(--spacing-24) 0;
	background: var(--bg-secondary);

	h2 {
		font-size: var(--font-size-4xl);
		font-weight: 800;
		margin-bottom: var(--spacing-6);
		color: var(--text-primary);
	}
}

.problem-content {
	text-align: center;
	max-width: 800px;
	margin: 0 auto;
}

.problem-text {
	font-size: var(--font-size-lg);
	color: var(--text-secondary);
	margin-bottom: var(--spacing-6);
	line-height: 1.7;
}

.problem-highlight {
	font-size: var(--font-size-xl);
	color: var(--text-primary);
	margin-bottom: var(--spacing-12);
	padding: var(--spacing-6);
	background: var(--bg-primary);
	border-radius: var(--border-radius-lg);
	box-shadow: var(--shadow-md);
	border-left: 4px solid var(--primary-color);
}

.problem-stats {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
	gap: var(--spacing-8);
	margin-top: var(--spacing-12);
}

.stat {
	text-align: center;
	padding: var(--spacing-6);
	background: var(--bg-primary);
	border-radius: var(--border-radius-lg);
	box-shadow: var(--shadow-md);
	transition: transform 0.3s ease;

	&:hover {
		transform: translateY(-5px);
	}

	h3 {
		font-size: var(--font-size-2xl);
		font-weight: 800;
		color: var(--primary-color);
		margin-bottom: var(--spacing-2);
	}

	p {
		color: var(--text-secondary);
		font-size: var(--font-size-base);
	}
}

.stat-icon {
	font-size: var(--font-size-3xl);
	margin-bottom: var(--spacing-4);
}

/* Solution Section */
.solution {
	padding: var(--spacing-24) 0;
	background: var(--bg-primary);

	h2 {
		font-size: var(--font-size-4xl);
		font-weight: 800;
		margin-bottom: var(--spacing-6);
		color: var(--text-primary);
	}
}

.solution-content {
	text-align: center;
	max-width: 900px;
	margin: 0 auto;
}

.solution-intro {
	font-size: var(--font-size-xl);
	color: var(--text-secondary);
	margin-bottom: var(--spacing-16);
	line-height: 1.7;
}

.solution-steps {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: var(--spacing-8);
}

.step {
	display: flex;
	flex-direction: column;
	align-items: center;
	text-align: center;
	padding: var(--spacing-8);
	position: relative;
}

.step-number {
	width: 60px;
	height: 60px;
	background: var(--primary-gradient);
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: var(--font-size-xl);
	font-weight: 800;
	color: var(--text-light);
	margin-bottom: var(--spacing-4);
	box-shadow: var(--shadow-lg);
}

.step-content {
	h3 {
		font-size: var(--font-size-xl);
		font-weight: 700;
		margin-bottom: var(--spacing-2);
		color: var(--text-primary);
	}

	p {
		color: var(--text-secondary);
		font-size: var(--font-size-base);
	}
}

/* Features Section */
.features {
	padding: var(--spacing-24) 0;
	background: var(--bg-secondary);
}

.features-header {
	text-align: center;
	margin-bottom: var(--spacing-16);

	h2 {
		font-size: var(--font-size-4xl);
		font-weight: 800;
		margin-bottom: var(--spacing-4);
		color: var(--text-primary);
	}

	p {
		font-size: var(--font-size-xl);
		color: var(--text-secondary);
	}
}

.features-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: var(--spacing-8);
}

.feature-card {
	background: var(--bg-primary);
	padding: var(--spacing-8);
	border-radius: var(--border-radius-lg);
	box-shadow: var(--shadow-md);
	text-align: center;
	transition: all 0.3s ease;
	border: 1px solid var(--border-color);

	&:hover {
		transform: translateY(-8px);
		box-shadow: var(--shadow-xl);
		border-color: var(--primary-color);
	}

	h3 {
		font-size: var(--font-size-xl);
		font-weight: 700;
		margin-bottom: var(--spacing-4);
		color: var(--text-primary);
	}

	p {
		color: var(--text-secondary);
		font-size: var(--font-size-base);
		line-height: 1.6;
	}
}

.feature-icon {
	width: 80px;
	height: 80px;
	background: var(--primary-gradient);
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	margin: 0 auto var(--spacing-6);
	box-shadow: var(--shadow-lg);

	i {
		font-size: var(--font-size-2xl);
		color: var(--text-light);
	}
}

/* Benefits Section */
.benefits {
	padding: var(--spacing-24) 0;
	background: var(--bg-primary);
}

.benefits-content {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--spacing-16);
	align-items: center;
}

.benefits-text h2 {
	font-size: var(--font-size-4xl);
	font-weight: 800;
	margin-bottom: var(--spacing-8);
	color: var(--text-primary);
}

.benefit-list {
	display: flex;
	flex-direction: column;
	gap: var(--spacing-6);
}

.benefit-item {
	display: flex;
	align-items: flex-start;
	gap: var(--spacing-4);
}

.benefit-icon {
	width: 32px;
	height: 32px;
	background: var(--success-color);
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
	margin-top: var(--spacing-1);

	i {
		font-size: var(--font-size-base);
		color: var(--text-light);
	}
}

.benefit-text {
	h3 {
		font-size: var(--font-size-lg);
		font-weight: 700;
		margin-bottom: var(--spacing-2);
		color: var(--text-primary);
	}

	p {
		color: var(--text-secondary);
		font-size: var(--font-size-base);
		line-height: 1.6;
	}
}

.benefits-visual {
	display: flex;
	justify-content: center;
	align-items: center;
}

.storage-meter {
	background: var(--bg-secondary);
	padding: var(--spacing-8);
	border-radius: var(--border-radius-lg);
	box-shadow: var(--shadow-lg);
	width: 100%;
	max-width: 300px;
}

.meter-label {
	text-align: center;
	font-size: var(--font-size-lg);
	font-weight: 600;
	margin-bottom: var(--spacing-6);
	color: var(--text-primary);
}

.meter-before,
.meter-after {
	margin-bottom: var(--spacing-4);
}

.meter-before:last-child,
.meter-after:last-child {
	margin-bottom: 0;
}

.meter-bar {
	height: 20px;
	border-radius: var(--border-radius-md);
	margin-bottom: var(--spacing-2);
	position: relative;
	overflow: hidden;

	&.full {
		background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
		width: 95%;
		animation: dangerPulse 2s ease-in-out infinite;
	}

	&.optimal {
		background: linear-gradient(135deg, #10b981 0%, #059669 100%);
		width: 60%;
		animation: successPulse 2s ease-in-out infinite;
	}
}

@keyframes dangerPulse {
	0%,
	100% {
		opacity: 1;
	}
	50% {
		opacity: 0.8;
	}
}

@keyframes successPulse {
	0%,
	100% {
		opacity: 1;
	}
	50% {
		opacity: 0.9;
	}
}

.meter-before span,
.meter-after span {
	font-size: var(--font-size-sm);
	color: var(--text-secondary);
	font-weight: 500;
}

/* CTA Section */
.cta {
	padding: var(--spacing-24) 0;
	background: var(--primary-gradient);
	position: relative;
	overflow: hidden;

	&::before {
		content: "";
		position: absolute;
		top: 0;
		left: 0;
		right: 0;
		bottom: 0;
		background: radial-gradient(
				circle at 30% 30%,
				rgba(255, 255, 255, 0.1) 0%,
				transparent 50%
			),
			radial-gradient(
				circle at 70% 70%,
				rgba(255, 255, 255, 0.05) 0%,
				transparent 50%
			);
	}

	h2 {
		font-size: var(--font-size-4xl);
		font-weight: 800;
		color: var(--text-light);
		margin-bottom: var(--spacing-4);
	}

	p {
		font-size: var(--font-size-xl);
		color: rgba(255, 255, 255, 0.9);
		margin-bottom: var(--spacing-8);
	}
}

.cta-content {
	text-align: center;
	position: relative;
	z-index: 10;
}

.btn-cta {
	background: var(--secondary-gradient);
	color: var(--text-light);
	padding: var(--spacing-5) var(--spacing-12);
	font-size: var(--font-size-xl);
	font-weight: 700;
	border-radius: var(--border-radius-xl);
	box-shadow: var(--shadow-xl);
	display: inline-block;
	text-decoration: none;
	margin-bottom: var(--spacing-8);
	transition: all 0.3s ease;

	&:hover {
		transform: translateY(-3px);
		box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
	}
}

.cta-guarantee {
	display: flex;
	justify-content: center;
	gap: var(--spacing-8);
	flex-wrap: wrap;

	span {
		color: rgba(255, 255, 255, 0.9);
		font-size: var(--font-size-base);
		font-weight: 500;
		display: flex;
		align-items: center;
		gap: var(--spacing-2);
	}

	i {
		color: var(--text-light);
	}
}

/* Footer */
.footer {
	background: var(--bg-dark);
	color: var(--text-light);
	padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-content {
	display: flex;
	justify-content: space-between;
	align-items: flex-start;
	margin-bottom: var(--spacing-8);
}

.footer-brand {
	h3 {
		font-size: var(--font-size-xl);
		font-weight: 800;
		margin-bottom: var(--spacing-2);
		background: var(--accent-gradient);
		-webkit-background-clip: text;
		-webkit-text-fill-color: transparent;
		background-clip: text;
	}

	p {
		color: rgba(255, 255, 255, 0.7);
		font-size: var(--font-size-base);
	}
}

.footer-links {
	display: flex;
	gap: var(--spacing-6);

	a {
		color: rgba(255, 255, 255, 0.8);
		text-decoration: none;
		font-size: var(--font-size-base);
		transition: color 0.3s ease;

		&:hover {
			color: var(--text-light);
		}
	}
}

.footer-bottom {
	text-align: center;
	padding-top: var(--spacing-8);
	border-top: 1px solid rgba(255, 255, 255, 0.1);

	p {
		color: rgba(255, 255, 255, 0.6);
		font-size: var(--font-size-sm);
	}
}

/* Responsive Design */
@media (max-width: 1024px) {
	.hero-content {
		grid-template-columns: 1fr;
		gap: var(--spacing-12);
		text-align: center;
	}

	.benefits-content {
		grid-template-columns: 1fr;
		gap: var(--spacing-12);
	}

	.file-visualization {
		flex-direction: column;
		gap: var(--spacing-4);
	}

	.arrow {
		transform: rotate(90deg);
	}
}

@media (max-width: 768px) {
	.container {
		padding: 0 var(--spacing-4);
	}

	.hero-title {
		font-size: var(--font-size-4xl);
	}

	.hero-subtitle {
		font-size: var(--font-size-lg);
	}

	.hero-buttons {
		flex-direction: column;
		align-items: center;
	}

	.btn {
		width: 100%;
		max-width: 300px;
	}

	.trust-indicators {
		justify-content: center;
	}

	.problem-stats,
	.solution-steps,
	.features-grid {
		grid-template-columns: 1fr;
	}

	.footer-content {
		flex-direction: column;
		gap: var(--spacing-6);
		text-align: center;
	}

	.footer-links {
		justify-content: center;
	}

	.cta-guarantee {
		flex-direction: column;
		align-items: center;
		gap: var(--spacing-4);
	}
}

@media (max-width: 480px) {
	.hero {
		padding: var(--spacing-16) 0;
	}

	.hero-title {
		font-size: var(--font-size-3xl);
	}

	.hero-subtitle {
		font-size: var(--font-size-base);
	}

	.problem h2,
	.solution h2,
	.features-header h2,
	.benefits-text h2,
	.cta h2 {
		font-size: var(--font-size-3xl);
	}

	.file-visualization {
		scale: 0.8;
	}
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
	* {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
	}
}

/* Focus styles for keyboard navigation */
.btn:focus,
a:focus {
	outline: 2px solid var(--accent-color);
	outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
	:root {
		--shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
		--shadow-md: 0 4px 15px rgba(0, 0, 0, 0.3);
		--shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.4);
		--shadow-xl: 0 25px 50px rgba(0, 0, 0, 0.5);
	}
}