/* NeKoMa Website - Main Styles */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.nav-brand .brand-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #16a34a;
    font-weight: bold;
    font-size: 1.5rem;
}

.brand-icon {
    margin-right: 0.5rem;
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
}

.nav-link:hover {
    color: #16a34a;
    background-color: rgba(22, 163, 74, 0.1);
}
.nav-link-disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #16a34a 0%, #2563eb 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.hero-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.hero-circle-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    right: 10%;
}

.hero-circle-2 {
    width: 200px;
    height: 200px;
    bottom: 20%;
    left: 5%;
    background: rgba(255, 255, 255, 0.05);
}

.hero-circle-3 {
    width: 400px;
    height: 400px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255, 255, 255, 0.05);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-left {
    color: white;
}

.hero-title {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.title-icon {
    font-size: 3rem;
    margin-right: 1rem;
}

.hero-title h1 {
    font-size: 4rem;
    font-weight: bold;
    margin: 0;
}

.hero-left h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.6;
}

.lamp-stack-info {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
}

.lamp-icon {
    font-size: 1.5rem;
    margin-right: 1rem;
}

.lamp-text strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.lamp-text span {
    opacity: 0.8;
    font-size: 0.9rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    padding: 1rem 2rem;
    border-radius: 0.75rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}
.btn[disabled] {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-primary {
    background: white;
    color: #16a34a;
}

.btn-primary:hover {
    background: #f3f4f6;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #16a34a;
    transform: translateY(-2px);
}

.btn-icon {
    margin-right: 0.5rem;
}

.hero-features p {
    font-weight: 600;
    margin-bottom: 1rem;
}

.feature-tags {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.feature-tag {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
}

.hero-right {
    display: flex;
    justify-content: center;
}

.dashboard-preview {
    position: relative;
    max-width: 500px;
}

.dashboard-image {
    width: 100%;
    height: auto;
    border-radius: 1rem;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
}

/* Stats Section */
.stats-section {
    padding: 4rem 0;
    background: #f8fafc;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.stat-item {
    display: flex;
    align-items: center;
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-icon {
    font-size: 3rem;
    margin-right: 1.5rem;
}

.stat-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.stat-content p {
    color: #6b7280;
}

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

.stats-description p {
    font-size: 1.1rem;
    color: #6b7280;
    line-height: 1.6;
}

/* Features Section */
.features-section {
    padding: 6rem 0;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #1f2937;
}

.section-header p {
    font-size: 1.2rem;
    color: #6b7280;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px rgba(0, 0, 0, 0.1);
}

.feature-card-highlight {
    border: 2px solid #16a34a;
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
}

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

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #1f2937;
}

.feature-card p {
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.feature-image {
    margin-top: 1rem;
}

.dashboard-preview {
    width: 100%;
    height: auto;
    border-radius: 0.5rem;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.additional-features {
    margin-bottom: 4rem;
}

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

.additional-feature {
    text-align: center;
    padding: 1.5rem;
}

.additional-feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.additional-feature h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.additional-feature p {
    color: #6b7280;
    font-size: 0.9rem;
}

.supported-types {
    text-align: center;
}

.supported-types h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: #1f2937;
}

.type-icons {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.type-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.type-icon .icon {
    font-size: 3rem;
    background: linear-gradient(135deg, #16a34a, #2563eb);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.type-icon .label {
    font-weight: 600;
    color: #1f2937;
}

/* Cost Prediction Section */
.cost-prediction-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #ecfdf5 100%);
}

.section-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
    text-align: center;
}

.prediction-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.step-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s ease;
}

.step-card:hover {
    transform: translateY(-5px);
}

.step-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
    background: linear-gradient(135deg, #16a34a, #2563eb);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.step-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #1f2937;
}

.step-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* API Section */
.api-section {
    padding: 4rem 0;
    background: #f8fafc;
}

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

.api-feature {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s ease;
}

.api-feature:hover {
    transform: translateY(-5px);
}

.api-feature-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.api-doc-note {
    text-align: center;
    margin-top: 2rem;
    color: #6b7280;
}

.technical-highlight {
    background: white;
    padding: 3rem;
    border-radius: 1rem;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.highlight-header {
    display: flex;
    align-items: center;
    margin-bottom: 2rem;
}

.highlight-icon {
    font-size: 2rem;
    margin-right: 1rem;
    color: #16a34a;
}

.highlight-header h3 {
    font-size: 2rem;
    color: #1f2937;
}

.highlight-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.highlight-column h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #1f2937;
}

.highlight-column ul {
    list-style: none;
    padding: 0;
}

.highlight-column li {
    margin-bottom: 0.5rem;
    color: #6b7280;
    line-height: 1.6;
}

.highlight-result {
    background: linear-gradient(135deg, #f0fdf4, #dcfce7);
    padding: 2rem;
    border-radius: 0.75rem;
    text-align: center;
}

.highlight-result p {
    color: #374151;
    line-height: 1.6;
    margin: 0;
}

/* Download Section */
.download-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, #16a34a 0%, #2563eb 100%);
    position: relative;
    overflow: hidden;
}

.download-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.download-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.download-circle-1 {
    width: 200px;
    height: 200px;
    top: -50px;
    right: -50px;
}

.download-circle-2 {
    width: 150px;
    height: 150px;
    bottom: 20%;
    left: 10%;
    background: rgba(255, 255, 255, 0.05);
}

.download-circle-3 {
    width: 300px;
    height: 300px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255, 255, 255, 0.05);
}

.download-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
}

.download-header {
    margin-bottom: 3rem;
}

.download-logo {
    background: white;
    width: 80px;
    height: 80px;
    border-radius: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.logo-icon {
    font-size: 3rem;
    color: #16a34a;
}

.download-header h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.download-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

.download-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.download-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 1rem;
    padding: 2rem;
    transition: all 0.3s ease;
}

.download-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.download-card-primary {
    background: white;
    color: #1f2937;
}

.download-card-primary:hover {
    background: #f9fafb;
}

.download-card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.download-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.download-card p {
    margin-bottom: 1.5rem;
    opacity: 0.8;
    line-height: 1.6;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    padding: 1rem 2rem;
    border-radius: 0.75rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}
.download-btn[disabled] {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.download-btn-primary {
    background: #16a34a;
    color: white;
}

.download-btn-primary:hover {
    background: #15803d;
    transform: translateY(-2px);
}

.download-btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.download-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-arrow {
    margin-left: 0.5rem;
}

.installation-guide {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 1rem;
    padding: 2rem;
    margin-bottom: 2rem;
    text-align: left;
}

.guide-header {
    display: flex;
    align-items: center;
    margin-bottom: 2rem;
}

.guide-icon {
    font-size: 2rem;
    margin-right: 1rem;
}

.guide-header h3 {
    font-size: 1.5rem;
}

.installation-steps {
    display: grid;
    gap: 1rem;
}

.step {
    display: flex;
    align-items: flex-start;
}

.step-number {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-right: 1rem;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
    line-height: 1.6;
}

.step-content code {
    background: rgba(0, 0, 0, 0.2);
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-family: 'Courier New', monospace;
}

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

.requirement-tag {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 2rem;
    padding: 0.75rem 1.5rem;
}

.req-icon {
    margin-right: 0.5rem;
}

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand {
    max-width: 500px;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.footer-logo-icon {
    font-size: 2rem;
    margin-right: 0.5rem;
    color: #16a34a;
}

.footer-logo-text {
    font-size: 1.5rem;
    font-weight: bold;
}

.footer-description {
    margin-bottom: 1rem;
    line-height: 1.6;
    opacity: 0.8;
}

.footer-tagline {
    font-weight: 600;
    color: #16a34a;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-column h4 {
    margin-bottom: 1rem;
    color: #16a34a;
}

.footer-column ul {
    list-style: none;
    padding: 0;
}

.footer-column li {
    margin-bottom: 0.5rem;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: #16a34a;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
    gap: 1rem;
}

.contact-link {
    color: #16a34a;
    text-decoration: none;
    font-weight: 600;
}

.contact-link:hover {
    text-decoration: underline;
}

/*
 * Additional styling for notes in the installation guide. The note appears below
 * the step list in the download section and is set in italic with slight
 * transparency to differentiate it from primary content.
 */
.install-note {
    margin-top: 1rem;
    font-style: italic;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.5;
}

.footer-copyright {
    display: flex;
    align-items: center;
    gap: 1rem;
}