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

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #10b981;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --border-color: #e5e7eb;
    --error-color: #ef4444;
    --success-color: #10b981;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

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

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

/* Header & Navigation */
header {
    background: #fff;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.navbar {
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.logo a {
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary-color);
}

/* Buttons */
.btn-primary, .btn-cta, .btn-next, .btn-cta-white {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary:hover, .btn-cta:hover, .btn-next:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-cta {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-cta-white {
    background: white;
    color: var(--primary-color);
    border: 2px solid white;
}

.btn-cta-white:hover {
    background: transparent;
    color: white;
}

.btn-secondary {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: white;
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    border: 2px solid var(--primary-color);
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s;
}

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

.btn-back {
    padding: 0.75rem 1.5rem;
    background: white;
    color: var(--text-dark);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s;
}

.btn-back:hover {
    border-color: var(--text-dark);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 5rem 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

/* Features Section */
.features {
    padding: 5rem 0;
    background: var(--bg-light);
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-light);
}

/* How It Works Section */
.how-it-works {
    padding: 5rem 0;
}

.how-it-works h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.step {
    text-align: center;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1rem;
}

.step h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.step p {
    color: var(--text-light);
}

/* Pricing Section */
.pricing {
    padding: 5rem 0;
    background: var(--bg-light);
}

.pricing h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.pricing-card {
    max-width: 500px;
    margin: 0 auto;
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

.price-header {
    text-align: center;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
}

.price-header h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.price {
    font-size: 3.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.price span {
    font-size: 1.5rem;
    color: var(--text-light);
}

.price-features {
    list-style: none;
    padding: 2rem 0;
}

.price-features li {
    padding: 0.75rem 0;
    font-size: 1.1rem;
}

.price-note {
    text-align: center;
    color: var(--text-light);
    margin: 1rem 0;
}

.pricing-card .btn-cta {
    width: 100%;
    text-align: center;
}

/* CTA Section */
.cta-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

/* Footer */
footer {
    background: var(--text-dark);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.footer-section p {
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

.footer-section a {
    color: white;
    text-decoration: none;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
    text-align: center;
    opacity: 0.8;
}

/* Order Page Styles */
.order-page {
    padding: 3rem 0;
    background: var(--bg-light);
    min-height: calc(100vh - 200px);
}

.order-container {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

/* Progress Bar */
.progress-bar {
    display: flex;
    justify-content: space-between;
    margin-bottom: 3rem;
    padding: 0 1rem;
}

.progress-step {
    flex: 1;
    text-align: center;
    position: relative;
}

.progress-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 20px;
    left: 60%;
    width: 80%;
    height: 2px;
    background: var(--border-color);
    z-index: -1;
}

.progress-step.completed:not(:last-child)::after,
.progress-step.active:not(:last-child)::after {
    background: var(--primary-color);
}

.step-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: white;
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.5rem;
    font-weight: bold;
    color: var(--text-light);
}

.progress-step.active .step-circle {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.progress-step.completed .step-circle {
    background: var(--success-color);
    border-color: var(--success-color);
    color: white;
}

.progress-step span {
    font-size: 0.875rem;
    color: var(--text-light);
}

.progress-step.active span {
    color: var(--primary-color);
    font-weight: 600;
}

/* Form Steps */
.form-step {
    display: none;
}

.form-step.active {
    display: block;
}

.form-step h2 {
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.step-description {
    color: var(--text-light);
    margin-bottom: 2rem;
}

/* Hardware Selection */
.hardware-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.hardware-card {
    position: relative;
}

.hardware-card input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.hardware-card label {
    display: block;
    padding: 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s;
    height: 100%;
    background: white;
}

.hardware-card input[type="radio"]:checked + label {
    border-color: var(--primary-color);
    background: #eff6ff;
}

.hardware-card:hover label {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.popular-badge {
    position: absolute;
    top: -10px;
    right: -10px;
    background: var(--secondary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: bold;
    z-index: 10;
}

.selected-badge {
    display: none;
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: bold;
}

.hardware-card input[type="radio"]:checked ~ label .selected-badge {
    display: block;
}

.hardware-image {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 1rem;
}

.hardware-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.hardware-description {
    color: var(--text-light);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.hardware-features {
    list-style: none;
    margin-bottom: 1rem;
}

.hardware-features li {
    padding: 0.25rem 0;
    font-size: 0.9rem;
    color: var(--text-light);
}

.hardware-features li::before {
    content: '✓ ';
    color: var(--success-color);
    font-weight: bold;
}

.hardware-price {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-align: center;
}

/* Form Styles */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input {
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group small {
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: var(--text-light);
}

/* Order Summary */
.order-summary {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
}

.order-summary h3 {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.summary-line {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.summary-line.total {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--text-dark);
    border-bottom: none;
    padding-top: 1rem;
}

.summary-note {
    margin-top: 1rem;
    font-size: 0.875rem;
    color: var(--text-light);
    text-align: center;
}

/* Payment Section */
.payment-section {
    margin-bottom: 2rem;
}

.payment-section h3 {
    margin-bottom: 1rem;
}

.stripe-element {
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: white;
}

.error-message {
    color: var(--error-color);
    margin-top: 0.5rem;
    font-size: 0.875rem;
}

/* Direct Debit Info */
.dd-info {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
}

.dd-info h3 {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.dd-info ul {
    list-style: none;
    padding-left: 0;
}

.dd-info li {
    padding: 0.5rem 0;
    color: var(--text-light);
}

.dd-info li::before {
    content: '• ';
    color: var(--primary-color);
    font-weight: bold;
}

/* Form Navigation */
.form-navigation {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

/* Loading Overlay */
.loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.spinner {
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid white;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-overlay p {
    color: white;
    margin-top: 1rem;
    font-size: 1.1rem;
}

/* Confirmation Page */
.confirmation-page {
    padding: 3rem 0;
    background: var(--bg-light);
    min-height: calc(100vh - 200px);
}

.confirmation-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 12px;
    padding: 3rem;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: var(--success-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    margin: 0 auto 1.5rem;
}

.confirmation-container h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.confirmation-message {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.order-details {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    text-align: left;
}

.order-details h2 {
    margin-bottom: 1.5rem;
    text-align: center;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-row .label {
    font-weight: 600;
    color: var(--text-dark);
}

.detail-row .value {
    color: var(--text-light);
}

.next-steps {
    margin-bottom: 2rem;
    text-align: left;
}

.next-steps h2 {
    margin-bottom: 1.5rem;
    text-align: center;
}

.steps-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.step-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.step-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.step-content h3 {
    margin-bottom: 0.25rem;
    color: var(--text-dark);
}

.step-content p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.payment-confirmation {
    background: #ecfdf5;
    border: 2px solid var(--success-color);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
}

.payment-confirmation h3 {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.payment-confirmation p {
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.payment-note {
    font-size: 0.875rem;
    color: var(--text-light);
}

.support-section {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
}

.support-section h3 {
    margin-bottom: 1rem;
}

.support-section p {
    margin-bottom: 1rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.contact-item {
    color: var(--text-light);
}

.contact-item strong {
    color: var(--text-dark);
}

.action-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h2 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

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

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

    .hardware-options {
        grid-template-columns: 1fr;
    }

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

    .progress-bar {
        padding: 0;
    }

    .progress-step span {
        font-size: 0.75rem;
    }

    .step-circle {
        width: 35px;
        height: 35px;
        font-size: 0.875rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .confirmation-container {
        padding: 2rem 1rem;
    }

    .action-buttons {
        flex-direction: column;
    }

    .action-buttons a,
    .action-buttons button {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .form-navigation {
        flex-direction: column;
    }

    .form-navigation button {
        width: 100%;
    }
}