/* Button Components */
.hero-cta {
	background: #ffffff;
	color: #1a1a1a;
	font-size: 16px;
	font-weight: bold;
	text-transform: uppercase;
	letter-spacing: 0.5px;
	padding: 20px 40px;
	text-decoration: none;
	border-radius: 8px;
	display: inline-block;
	margin-bottom: 30px;
	transition: all 0.2s ease;
	border: 2px solid #1a1a1a;
	box-shadow: 0 4px 12px rgba(26, 26, 26, 0.15);
}

.hero-cta:hover {
	background: #1a1a1a;
	color: #ffffff;
	border-color: #1a1a1a;
	box-shadow: 0 6px 20px rgba(26, 26, 26, 0.2);
	transform: translateY(-2px);
}

.hero-cta:active {
	transform: translateY(0);
	box-shadow: 0 2px 8px rgba(26, 26, 26, 0.15);
}

/* Input Components */
.interactive-input {
	width: 100%;
	max-width: 500px;
	margin-top: 8px;
}

.interactive-input.main-cta {
	max-width: 600px;
	margin: 0 auto 32px auto;
}

.main-cta .input-group {
	border: 3px solid #1a1a1a;
	box-shadow: 0 6px 20px rgba(26, 26, 26, 0.15);
	padding: 6px;
}

.main-cta .input-group:focus-within {
	box-shadow: 0 8px 30px rgba(26, 26, 26, 0.2);
	transform: translateY(-2px);
}

.main-cta .learning-input {
	padding: 16px 12px;
	font-size: 18px;
}

.main-cta .input-submit {
	padding: 16px 24px;
	font-size: 16px;
}

.input-group {
	display: flex;
	align-items: center;
	background: #ffffff;
	border: 2px solid #1a1a1a;
	border-radius: 30px;
	padding: 4px;
	transition: all 0.2s ease;
	box-shadow: 0 4px 12px rgba(26, 26, 26, 0.1);
}

.input-group:focus-within {
	box-shadow: 0 6px 20px rgba(26, 26, 26, 0.15);
	transform: translateY(-1px);
}

.input-icon {
	font-size: 18px;
	padding: 0 12px;
}

.learning-input {
	flex: 1;
	border: none;
	outline: none;
	padding: 12px 8px;
	font-size: 16px;
	background: transparent;
	color: #1a1a1a;
}

.learning-input::placeholder {
	color: #666666;
}

.learning-input.error {
	color: #ef4444;
}

.learning-input.error::placeholder {
	color: #fca5a5;
}

.input-submit {
	background: #1a1a1a;
	color: #ffffff;
	border: none;
	padding: 12px 20px;
	border-radius: 24px;
	font-weight: 600;
	font-size: 14px;
	cursor: pointer;
	transition: all 0.2s ease;
	white-space: nowrap;
}

.input-submit .button-text {
	display: inline;
}

.input-submit .button-arrow {
	display: none;
}

.input-submit:hover {
	background: #333333;
	transform: translateY(-1px);
	box-shadow: 0 4px 8px rgba(26, 26, 26, 0.2);
}

.input-submit:active {
	transform: translateY(0);
}

.input-submit:disabled {
	background: #999999;
	cursor: not-allowed;
	transform: none;
	box-shadow: none;
}

.input-submit:disabled:hover {
	background: #999999;
	transform: none;
}

/* Card Components */
.feature-card {
	background: #ffffff;
	padding: 60px 50px;
	text-align: center;
	transition: all 0.3s ease;
	position: relative;
	overflow: hidden;
}

.feature-card::before {
	content: '';
	position: absolute;
	top: 0;
	left: -100%;
	width: 100%;
	height: 100%;
	background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
	transition: all 0.5s ease;
}

.feature-card:hover::before {
	left: 100%;
}

.feature-card:hover {
	background: #fafafa;
	transform: translateY(-2px);
}

.feature-card .number {
	display: inline-block;
	width: 40px;
	height: 40px;
	background: linear-gradient(135deg, #1a1a1a 0%, #333333 100%);
	color: white;
	font-size: 16px;
	font-weight: 700;
	text-align: center;
	line-height: 40px;
	margin-bottom: 32px;
	border-radius: 8px;
	box-shadow: 0 2px 8px rgba(26, 26, 26, 0.15);
}

.feature-card h3 {
	font-size: 20px;
	font-weight: 600;
	margin-bottom: 20px;
	color: #1a1a1a;
	line-height: 1.3;
}

.feature-card p {
	color: #666666;
	font-size: 16px;
	line-height: 1.6;
}

.audience-card {
	text-align: center;
	transition: all 0.2s ease;
}

.audience-card:hover {
	transform: translateY(-4px);
}

.audience-card .icon-wrapper {
	width: 80px;
	height: 80px;
	background: #1a1a1a;
	color: white;
	margin: 0 auto 24px;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 32px;
}

.audience-card h3 {
	font-size: 20px;
	font-weight: 600;
	margin-bottom: 16px;
	color: #1a1a1a;
}

.audience-card p {
	color: #666666;
	font-size: 15px;
	line-height: 1.6;
}

.step {
	background: #ffffff;
	text-align: center;
	padding: 50px 30px;
	transition: all 0.2s ease;
}

.step:hover {
	background: #fafafa;
}

.step-number {
	background: #1a1a1a;
	color: white;
	width: 32px;
	height: 32px;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 14px;
	font-weight: 600;
	margin: 0 auto 24px;
}

.step h3 {
	font-size: 18px;
	font-weight: 600;
	margin-bottom: 16px;
	color: #1a1a1a;
}

.step p {
	color: #666666;
	font-size: 15px;
	line-height: 1.6;
}

/* Teaser and CTA Components */
.cta-container {
	text-align: center;
	margin: 20px 0;
}

.cta-teaser {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 20px;
	margin-top: 24px;
	padding: 24px;
	background: rgba(248, 248, 248, 0.8);
	border-radius: 12px;
	border: 1px solid #e5e5e5;
	max-width: 800px;
	margin-left: auto;
	margin-right: auto;
}

.teaser-step {
	display: flex;
	align-items: center;
	gap: 8px;
	padding: 8px 16px;
	background: #ffffff;
	border-radius: 20px;
	box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
	transition: all 0.2s ease;
	width: 100%;
	justify-content: center;
	max-width: 450px;
}

.teaser-step:hover {
	transform: translateY(-1px);
	box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.teaser-step.social-proof {
	background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
	border: 1px solid #0ea5e9;
}

.teaser-step.speed {
	background: linear-gradient(135deg, #fefce8 0%, #fef3c7 100%);
	border: 1px solid #f59e0b;
}

.step-icon {
	font-size: 18px;
}

.step-text {
	font-size: 14px;
	color: #666666;
	font-weight: 500;
}

.urgency {
	background: linear-gradient(135deg, #f8f8f8 0%, #f0f0f0 100%);
	border: 1px solid #e5e5e5;
	padding: 20px 32px;
	margin: 60px auto;
	max-width: 600px;
	font-size: 15px;
	color: #666666;
	font-weight: 500;
	border-radius: 8px;
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

/* Footer */
footer {
	background: #ffffff;
	color: #666666;
	text-align: center;
	padding: 40px 0;
	border-top: 1px solid #e5e5e5;
}

/* Validation Modal Components - Japanese Minimalism Style */
.validation-overlay {
	position: fixed;
	top: 0;
	left: 0;
	width: 100vw;
	height: 100vh;
	background: rgba(255, 255, 255, 0.95);
	display: flex;
	align-items: center;
	justify-content: center;
	z-index: 10000;
	padding: 16px;
	box-sizing: border-box;
	overflow-y: auto;
	min-height: 100vh;
}

.validation-overlay.hidden {
	display: none;
}

.validation-modal {
	background: #ffffff;
	max-width: 400px;
	width: 90%;
	text-align: center;
	position: relative;
	padding: 20px 18px;
	box-sizing: border-box;
	border-radius: 8px;
	box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
	margin: auto;
	min-height: auto;
	max-height: calc(100vh - 32px);
	overflow-y: auto;
	flex-shrink: 0;
	animation: modalAppear 0.4s ease-out;
}

@keyframes modalAppear {
	from {
		transform: translateY(20px);
		opacity: 0;
	}

	to {
		transform: translateY(0);
		opacity: 1;
	}
}

.modal-header {
	margin-bottom: 24px;
}

.modal-title {
	font-size: 22px;
	margin-bottom: 6px;
	color: #1a1a1a;
	font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
	letter-spacing: -0.02em;
	font-weight: 400;
}

.modal-subtitle {
	font-size: 14px;
	color: #666666;
	font-weight: 400;
}

.modal-message {
	font-size: 14px;
	color: #666666;
	line-height: 1.6;
	margin-bottom: 20px;
}

.invalid-topic {
	color: #1a1a1a;
	font-weight: 500;
}

.modal-suggestions {
	margin-bottom: 20px;
}

.suggestion-item {
	display: flex;
	align-items: center;
	padding: 12px;
	border: 1px solid #e5e5e5;
	background: #ffffff;
	cursor: pointer;
	transition: all 0.2s ease;
	margin-bottom: 10px;
	text-align: left;
}

.suggestion-item:hover {
	border-color: #1a1a1a;
	background: #fafafa;
}

.suggestion-item:last-child {
	margin-bottom: 0;
}

.suggestion-icon {
	font-size: 18px;
	margin-right: 16px;
	min-width: 24px;
	text-align: center;
}

.suggestion-text {
	flex: 1;
}

.suggestion-title {
	font-size: 15px;
	font-weight: 600;
	color: #1a1a1a;
	display: block;
	margin-bottom: 4px;
	line-height: 1.2;
}

.suggestion-description {
	font-size: 13px;
	color: #888888;
	line-height: 1.4;
	font-weight: 400;
}

.keep-broad-note {
	margin: 18px 0;
	padding: 14px;
	border-top: 1px solid #e5e5e5;
	border-bottom: 1px solid #e5e5e5;
	font-size: 14px;
	color: #666666;
	line-height: 1.6;
}

.keep-broad-note .emoji {
	margin-right: 8px;
}

.keep-broad-note strong {
	color: #1a1a1a;
}

.modal-actions {
	margin-top: 22px;
	display: flex;
	gap: 12px;
	justify-content: center;
}

.action-button {
	padding: 10px 20px;
	border: 1px solid #e5e5e5;
	background: #ffffff;
	color: #666666;
	font-size: 13px;
	cursor: pointer;
	transition: all 0.2s ease;
	text-transform: uppercase;
	letter-spacing: 0.5px;
	font-weight: 500;
	border-radius: 0;
}

.action-button:hover {
	border-color: #1a1a1a;
	color: #1a1a1a;
}

.action-button.primary {
	background: #1a1a1a;
	border-color: #1a1a1a;
	color: #ffffff;
}

.action-button.primary:hover {
	background: #333333;
	border-color: #333333;
}

.action-button.report {
	background: #dc2626;
	border-color: #dc2626;
	color: #ffffff;
}

.action-button.report:hover {
	background: #b91c1c;
	border-color: #b91c1c;
}

/* Legacy button support for backward compatibility */
.btn {
	flex: 1;
	padding: 16px 24px;
	border: none;
	border-radius: 12px;
	font-size: 16px;
	font-weight: 600;
	cursor: pointer;
	transition: all 0.2s ease;
}

.btn-primary {
	background: #1a1a1a;
	color: white;
}

.btn-primary:hover {
	background: #333333;
	transform: translateY(-1px);
}

.btn-secondary {
	background: #f8f9fa;
	color: #666666;
	border: 2px solid #e5e5e5;
}

.btn-secondary:hover {
	background: #e9ecef;
	border-color: #dee2e6;
}

/* Mobile responsive */
@media (max-width: 768px) {
	.validation-overlay {
		padding: 16px;
		align-items: center;
		padding-top: 20px;
		padding-bottom: 20px;
	}

	.validation-modal {
		width: 100%;
		max-width: 400px;
		padding: 28px 24px;
		margin: 0;
		max-height: calc(100vh - 40px);
	}

	.modal-actions {
		flex-direction: column;
		margin-top: 24px;
		gap: 12px;
	}

	.action-button {
		width: 100%;
		padding: 14px 20px;
		font-size: 13px;
	}
}

/* AI Processing Modal */
.processing-overlay {
	position: fixed;
	top: 0;
	left: 0;
	width: 100vw;
	height: 100vh;
	background: rgba(0, 0, 0, 0.3);
	display: flex;
	align-items: center;
	justify-content: center;
	z-index: 10000;
	backdrop-filter: blur(2px);
}

.processing-overlay.hidden {
	display: none;
}

.processing-modal {
	background: white;
	border-radius: 20px;
	padding: 40px;
	max-width: 450px;
	width: 90%;
	box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
	text-align: center;
	animation: processingSlideIn 0.3s ease-out;
}

@keyframes processingSlideIn {
	from {
		opacity: 0;
		transform: translateY(10px) scale(0.98);
	}

	to {
		opacity: 1;
		transform: translateY(0) scale(1);
	}
}

.ai-thinking {
	width: 80px;
	height: 80px;
	margin: 0 auto 30px;
	position: relative;
}

.thinking-orb {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	width: 40px;
	height: 40px;
	background: radial-gradient(circle, #2563eb 0%, #1d4ed8 70%);
	border-radius: 50%;
	animation: thinkingPulse 2s ease-in-out infinite;
	box-shadow: 0 0 20px rgba(37, 99, 235, 0.4);
}

.thinking-ring {
	position: absolute;
	top: 50%;
	left: 50%;
	border: 2px solid rgba(37, 99, 235, 0.2);
	border-radius: 50%;
	transform: translate(-50%, -50%);
	animation: thinkingRotate 3s linear infinite;
}

.ai-thinking .ring-1 {
	width: 60px;
	height: 60px;
}

.ai-thinking .ring-2 {
	width: 80px;
	height: 80px;
	animation-direction: reverse;
	animation-duration: 4s;
}

@keyframes thinkingPulse {

	0%,
	100% {
		transform: translate(-50%, -50%) scale(1);
		box-shadow: 0 0 20px rgba(37, 99, 235, 0.4);
	}

	50% {
		transform: translate(-50%, -50%) scale(1.1);
		box-shadow: 0 0 30px rgba(37, 99, 235, 0.6);
	}
}

@keyframes thinkingRotate {
	0% {
		transform: translate(-50%, -50%) rotate(0deg);
	}

	100% {
		transform: translate(-50%, -50%) rotate(360deg);
	}
}

.processing-text h3 {
	font-size: 22px;
	font-weight: 600;
	margin-bottom: 12px;
	color: #1a1a1a;
}

.processing-message {
	color: #666666;
	font-size: 16px;
	margin-bottom: 8px;
	transition: all 0.3s ease;
}

.processing-detail {
	color: #999999;
	font-size: 14px;
	font-style: italic;
}

.mini-progress {
	width: 200px;
	height: 3px;
	background: #f1f5f9;
	border-radius: 2px;
	margin: 20px auto 0;
	overflow: hidden;
}

.mini-progress-fill {
	height: 100%;
	background: linear-gradient(90deg, #2563eb, #3b82f6);
	border-radius: 2px;
	animation: progressIndeterminate 2s ease-in-out infinite;
	width: 30%;
}

@keyframes progressIndeterminate {
	0% {
		transform: translateX(-100%);
	}

	50% {
		transform: translateX(100%);
	}

	100% {
		transform: translateX(300%);
	}
}