/* Ciao Bitcoin - CSS */

/* Reset & Base */
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

:root {
	--bitcoin-orange: #f7931a;
	--dark-bg: #1a1a1a;
	--light-bg: #f5f5f5;
	--text-dark: #333;
	--text-light: #666;
	--border: #ddd;
	--success: #28a745;
	--danger: #dc3545;
	--warning: #ffc107;
}

body {
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	line-height: 1.6;
	color: var(--text-dark);
	background: var(--light-bg);
}

.container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 20px;
}

/* Header & Navigation */
header {
	background: white;
	border-bottom: 3px solid var(--bitcoin-orange);
	padding: 20px 0;
	position: sticky;
	top: 0;
	z-index: 100;
	box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

nav {
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.logo h1 {
	font-size: 1.8em;
	color: var(--bitcoin-orange);
	font-weight: 700;
}

.nav-links {
	display: flex;
	align-items: center;
	gap: 15px;
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-large {
	display: inline-block;
	padding: 12px 30px;
	border-radius: 6px;
	text-decoration: none;
	font-weight: 600;
	transition: all 0.3s ease;
	border: 2px solid transparent;
}

.btn-primary {
	background: var(--bitcoin-orange);
	color: white;
}

.btn-primary:hover {
	background: #e08416;
	transform: translateY(-2px);
	box-shadow: 0 4px 12px rgba(247, 147, 26, 0.3);
}

.btn-secondary {
	background: transparent;
	color: var(--bitcoin-orange);
	border-color: var(--bitcoin-orange);
}

.btn-secondary:hover {
	background: var(--bitcoin-orange);
	color: white;
}

.btn-large {
	padding: 18px 40px;
	font-size: 1.1em;
}

/* Hero Section */
.hero {
	background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
	color: white;
	padding: 100px 0;
	text-align: center;
}

.hero h2 {
	font-size: 3em;
	margin-bottom: 20px;
	line-height: 1.2;
}

.hero .tagline {
	font-size: 1.3em;
	color: #ccc;
	margin-bottom: 40px;
	max-width: 700px;
	margin-left: auto;
	margin-right: auto;
}

.cta-buttons {
	display: flex;
	gap: 20px;
	justify-content: center;
	flex-wrap: wrap;
}

/* Features Section */
.features {
	padding: 80px 0;
	background: white;
}

.features h3 {
	text-align: center;
	font-size: 2.5em;
	margin-bottom: 60px;
	color: var(--text-dark);
}

.feature-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: 40px;
}

.feature-card {
	text-align: center;
	padding: 30px;
	border-radius: 12px;
	background: var(--light-bg);
	transition: transform 0.3s ease;
}

.feature-card:hover {
	transform: translateY(-5px);
	box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.feature-icon {
	font-size: 4em;
	margin-bottom: 20px;
}

.feature-card h4 {
	font-size: 1.5em;
	margin-bottom: 15px;
	color: var(--bitcoin-orange);
}

.feature-card p {
	color: var(--text-light);
	font-size: 1.1em;
}

/* Why Section */
.why {
	padding: 80px 0;
	background: var(--light-bg);
}

.why h3 {
	text-align: center;
	font-size: 2.5em;
	margin-bottom: 60px;
	color: var(--text-dark);
}

.why-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
	gap: 30px;
}

.why-item {
	background: white;
	padding: 30px;
	border-radius: 8px;
	border-left: 4px solid var(--bitcoin-orange);
}

.why-item strong {
	display: block;
	font-size: 1.3em;
	margin-bottom: 10px;
	color: var(--text-dark);
}

.why-item p {
	color: var(--text-light);
	line-height: 1.6;
}

/* CTA Final */
.cta-final {
	padding: 100px 0;
	background: var(--bitcoin-orange);
	color: white;
	text-align: center;
}

.cta-final h3 {
	font-size: 2.5em;
	margin-bottom: 20px;
}

.cta-final p {
	font-size: 1.2em;
	margin-bottom: 40px;
	opacity: 0.;
}

.cta-final .btn-primary {
	background: white;
	color: var(--bitcoin-orange);
}

.cta-final .btn-primary:hover {
	background: var(--light-bg);
}

/* Footer */
footer {
	background: var(--dark-bg);
	color: white;
	padding: 60px 0 30px;
	text-align: center;
}

footer p {
	margin-bottom: 15px;
	line-height: 1.8;
}

.disclaimer {
	max-width: 800px;
	margin: 20px auto;
	padding: 20px;
	background: rgba(255,255,255,0.1);
	border-radius: 8px;
	font-size: 0.95em;
}

.tech-info {
	font-size: 0.9em;
	opacity: 0.7;
}

.copyright {
	margin-top: 1rem;
	font-size: 0.85rem;
	color: #888;
	opacity: 0.8;
}

/* Responsive */
@media (max-width: 768px) {
	.hero h2 {
		font-size: 2em;
	}
	
	.hero .tagline {
		font-size: 1.1em;
	}
	
	.feature-grid,
	.why-grid {
		grid-template-columns: 1fr;
	}
	
	nav {
		flex-direction: column;
		gap: 20px;
	}
}


/* Auth Pages (Login/Register) */
.auth-page {
	min-height: calc(100vh - 200px);
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 40px 20px;
	background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
}

.auth-container {
	width: 100%;
	max-width: 450px;
}

.auth-card {
	background: white;
	border-radius: 12px;
	padding: 40px;
	box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.auth-card h2 {
	font-size: 2em;
	margin-bottom: 10px;
	color: var(--text-dark);
	text-align: center;
}

.auth-subtitle {
	text-align: center;
	color: var(--text-light);
	margin-bottom: 30px;
}

.auth-form {
	margin-bottom: 25px;
}

.form-group {
	margin-bottom: 20px;
}

.form-group label {
	display: block;
	margin-bottom: 8px;
	font-weight: 600;
	color: var(--text-dark);
}

.form-group input,
.form-group textarea,
.form-group select {
	width: 100%;
	padding: 12px 15px;
	border: 2px solid var(--border);
	border-radius: 6px;
	font-size: 1em;
	transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
	outline: none;
	border-color: var(--bitcoin-orange);
}

.btn-full {
	width: 100%;
	margin-top: 10px;
}

.auth-footer {
	text-align: center;
	padding-top: 20px;
	border-top: 1px solid var(--border);
	color: var(--text-light);
}

.auth-footer a {
	color: var(--bitcoin-orange);
	text-decoration: none;
	font-weight: 600;
}

.auth-footer a:hover {
	text-decoration: underline;
}

.auth-notice {
	margin-top: 25px;
	padding: 15px;
	background: #fff3cd;
	border-left: 4px solid var(--warning);
	border-radius: 4px;
}

.auth-notice strong {
	display: block;
	margin-bottom: 5px;
	color: var(--text-dark);
}

.auth-notice p {
	margin: 0;
	font-size: 0.9em;
	color: var(--text-light);
}

/* Logo link */
.logo a {
	text-decoration: none;
}

/* Form hints and checkbox */
.form-hint {
	display: block;
	margin-top: 5px;
	font-size: 0.85em;
	color: var(--text-light);
}

.checkbox-group label {
	display: flex;
	align-items: flex-start;
	gap: 10px;
	cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
	width: auto;
	margin-top: 3px;
	flex-shrink: 0;
}

.checkbox-group span {
	font-size: 0.95em;
	line-height: 1.5;
}