/* ==============================================================================
   SWISS EDITORIAL SYSTEM (CLASS_PREFIX: lumen)
   Strict grids, heavy hairline rules, large sans-serif typography, sharp corners.
   ============================================================================== */

:root {
    --lumen-bg: #F8F9FA;
    --lumen-surface: #FFFFFF;
    --lumen-text: #0F172A;
    --lumen-text-muted: #475569;
    --lumen-accent: #115E59; /* Deep Teal */
    --lumen-highlight: #C2410C; /* Burnt Orange */
    --lumen-border: #0F172A; /* Thick, high-contrast borders for Swiss feel */
    --lumen-border-light: #E2E8F0;
    --lumen-font: 'Space Grotesk', 'Noto Sans JP', sans-serif;
    --lumen-transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset and Global Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--lumen-bg);
    color: var(--lumen-text);
    font-family: var(--lumen-font);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

body {
    overflow-x: hidden;
}

img {
    max-width: 100%;
    display: block;
    height: auto;
}

.lumen-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Typography Scale */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.lumen-caption {
    display: inline-block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--lumen-highlight);
    margin-bottom: 1rem;
}

.lumen-paragraph {
    font-size: 1.05rem;
    color: var(--lumen-text-muted);
    margin-bottom: 1.5rem;
    text-align: justify;
}

/* Hairline Rules and General Grid Structure */
section {
    position: relative;
    padding: 6rem 0;
    border-bottom: 1px solid var(--lumen-border-light);
}

.lumen-section-header {
    border-bottom: 2px solid var(--lumen-border);
    padding-bottom: 2rem;
    margin-bottom: 3.5rem;
}

.lumen-section-title {
    font-size: 2.75rem;
    color: var(--lumen-text);
}

/* Interactive Swiss-style Buttons */
.lumen-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-family: var(--lumen-font);
    font-weight: 700;
    text-transform: uppercase;
    text-decoration: none;
    border-radius: 0; /* Strict sharp corners */
    transition: var(--lumen-transition);
    cursor: pointer;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
}

.lumen-btn-primary {
    background-color: var(--lumen-text);
    color: var(--lumen-bg);
    border: 1px solid var(--lumen-text);
}

.lumen-btn-primary:hover {
    background-color: var(--lumen-accent);
    border-color: var(--lumen-accent);
}

.lumen-btn-secondary {
    background-color: transparent;
    color: var(--lumen-text);
    border: 1px solid var(--lumen-text);
}

.lumen-btn-secondary:hover {
    background-color: rgba(15, 23, 42, 0.05);
}

/* Header & Nav Styling */
.lumen-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(248, 249, 250, 0.95);
    border-bottom: 1px solid var(--lumen-border);
    backdrop-filter: blur(8px);
}

.lumen-header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.lumen-logo {
    max-height: 40px;
    width: auto;
}

.lumen-nav {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.lumen-nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.lumen-nav-link {
    text-decoration: none;
    color: var(--lumen-text);
    font-weight: 700;
    font-size: 0.9rem;
    transition: var(--lumen-transition);
}

.lumen-nav-link:hover {
    color: var(--lumen-accent);
}

.lumen-nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    z-index: 110;
}

.lumen-bar {
    width: 25px;
    height: 2px;
    background-color: var(--lumen-text);
    transition: var(--lumen-transition);
}/* Hero Layout (Swiss-Editorial Split) */
.lumen-hero {
    border-bottom: 2px solid var(--lumen-border);
    padding-top: 8rem;
    padding-bottom: 8rem;
    background-color: var(--lumen-surface);
}

.lumen-hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.lumen-hero-title {
    font-size: 4rem;
    margin-bottom: 2rem;
    line-height: 1.05;
}

.lumen-hero-lead {
    font-size: 1.15rem;
    color: var(--lumen-text-muted);
    margin-bottom: 2.5rem;
    text-align: justify;
}

.lumen-hero-actions {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.lumen-image-frame {
    border: 2px solid var(--lumen-border);
    overflow: hidden;
    position: relative;
}

.lumen-hero-media .lumen-image-frame img {
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.lumen-hero-media:hover .lumen-image-frame img {
    transform: scale(1.05);
}

/* Horizontal Infinite Marquee */
.lumen-hero-ticker {
    margin-top: 1.5rem;
    border: 1px solid var(--lumen-border-light);
    background-color: var(--lumen-bg);
    display: flex;
    align-items: center;
}

.lumen-ticker-label {
    background-color: var(--lumen-border);
    color: var(--lumen-bg);
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    font-weight: 700;
    white-space: nowrap;
}

.lumen-marquee {
    overflow: hidden;
    white-space: nowrap;
    width: 100%;
}

.lumen-marquee-inner {
    display: inline-block;
    padding-left: 100%;
    animation: marquee 25s linear infinite;
}

.lumen-marquee-inner span {
    display: inline-block;
    padding-right: 2rem;
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--lumen-text-muted);
    text-transform: uppercase;
}

@keyframes marquee {
    0% { transform: translate3d(0, 0, 0); }
    100% { transform: translate3d(-100%, 0, 0); }
}

/* Problem Section */
.lumen-problem {
    background-color: var(--lumen-bg);
}

.lumen-problem-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: flex-start;
}

.lumen-problem-visual {
    border: 2px solid var(--lumen-border);
}

.lumen-pain-points {
    margin-top: 2rem;
    border-top: 1px solid var(--lumen-border);
}

.lumen-pain-item {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--lumen-border-light);
}

.lumen-pain-num {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--lumen-highlight);
}

/* Benefits Grid */
.lumen-benefits {
    background-color: var(--lumen-surface);
}

.lumen-benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.lumen-benefit-card {
    border: 1px solid var(--lumen-border-light);
    background-color: var(--lumen-bg);
    transition: var(--lumen-transition);
}

.lumen-benefit-card:hover {
    border-color: var(--lumen-border);
    transform: translateY(-4px);
}

.lumen-benefit-img {
    border-bottom: 1px solid var(--lumen-border-light);
    overflow: hidden;
}

.lumen-benefit-img img {
    width: 100%;
    object-fit: cover;
}

.lumen-benefit-title {
    font-size: 1.25rem;
    padding: 1.5rem 1.5rem 0.5rem 1.5rem;
    color: var(--lumen-text);
}

.lumen-benefit-desc {
    padding: 0 1.5rem 1.5rem 1.5rem;
    font-size: 0.95rem;
    color: var(--lumen-text-muted);
}

/* Features List */
.lumen-features {
    background-color: var(--lumen-bg);
}

.lumen-features-list {
    border-top: 2px solid var(--lumen-border);
}

.lumen-feature-item {
    display: grid;
    grid-template-columns: 1fr 2fr;
    border-bottom: 1px solid var(--lumen-border);
    padding: 2.5rem 0;
}

.lumen-feature-header {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.lumen-feature-num {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--lumen-highlight);
}

.lumen-feature-title {
    font-size: 1.5rem;
    color: var(--lumen-text);
}

.lumen-feature-body {
    font-size: 1.05rem;
    color: var(--lumen-text-muted);
}

.lumen-feature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    list-style: none;
    margin-top: 1.5rem;
}

.lumen-feature-tags li {
    background-color: rgba(17, 94, 89, 0.08);
    color: var(--lumen-accent);
    padding: 0.25rem 0.75rem;
    font-size: 0.85rem;
    font-weight: 700;
    border: 1px solid rgba(17, 94, 89, 0.2);
}/* Process Roadmap Timeline */
.lumen-timeline {
    background-color: var(--lumen-surface);
}

.lumen-timeline-flow {
    display: flex;
    flex-direction: column;
    border-top: 2px solid var(--lumen-border);
}

.lumen-timeline-step {
    display: grid;
    grid-template-columns: 0.5fr 1fr 2fr;
    padding: 2.5rem 0;
    border-bottom: 1px solid var(--lumen-border-light);
    align-items: center;
}

.lumen-step-badge {
    background-color: var(--lumen-border);
    color: var(--lumen-bg);
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 0.85rem;
    padding: 0.35rem 0.75rem;
    display: inline-block;
    max-width: fit-content;
}

.lumen-step-title {
    font-size: 1.35rem;
    color: var(--lumen-text);
}

.lumen-step-desc {
    font-size: 1rem;
    color: var(--lumen-text-muted);
}

/* Scenarios Grid */
.lumen-scenarios {
    background-color: var(--lumen-bg);
}

.lumen-scenarios-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.lumen-scenario-card {
    border: 1px solid var(--lumen-border);
    background-color: var(--lumen-surface);
}

.lumen-scenario-img {
    border-bottom: 1px solid var(--lumen-border);
    overflow: hidden;
}

.lumen-scenario-img img {
    width: 100%;
}

.lumen-scenario-content {
    padding: 2rem;
}

.lumen-scenario-meta {
    font-family: 'Space Grotesk', sans-serif;
    color: var(--lumen-highlight);
    font-weight: 700;
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
    display: block;
}

.lumen-scenario-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.lumen-scenario-desc {
    color: var(--lumen-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Standards Section */
.lumen-standards-layout {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.lumen-standards-bullets {
    margin-top: 2rem;
}

.lumen-bullet-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.lumen-bullet-icon {
    font-weight: 700;
    color: var(--lumen-accent);
}

/* Pricing Philosophy Box */
.lumen-pricing-box {
    border: 2px solid var(--lumen-border);
    background-color: var(--lumen-surface);
}

.lumen-pricing-header {
    border-bottom: 2px solid var(--lumen-border);
    background-color: var(--lumen-border);
    color: var(--lumen-bg);
    padding: 1.5rem 2rem;
}

.lumen-pricing-content {
    padding: 3rem 2rem;
}

.lumen-pricing-features {
    margin-top: 2rem;
    border-top: 1px solid var(--lumen-border-light);
    padding-top: 1.5rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    list-style: none;
}

.lumen-pricing-features li {
    font-size: 0.95rem;
    color: var(--lumen-text-muted);
}

/* Glossary Section */
.lumen-glossary {
    background-color: var(--lumen-bg);
}

.lumen-glossary-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
}

.lumen-glossary-item dt {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--lumen-text);
    border-bottom: 1px solid var(--lumen-border);
    padding-bottom: 0.5rem;
    margin-bottom: 0.75rem;
}

.lumen-glossary-item dd {
    font-size: 0.95rem;
    color: var(--lumen-text-muted);
    line-height: 1.6;
}

/* Cultural Relevance */
.lumen-cultural-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: center;
}

.lumen-cultural-img {
    border: 2px solid var(--lumen-border);
}/* FAQ Section Styles (Accordeon Pattern) */
.lumen-faq {
    background-color: var(--lumen-bg);
}

.lumen-faq-sections {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.lumen-faq-group-title {
    font-size: 1.35rem;
    color: var(--lumen-text);
    border-bottom: 2px solid var(--lumen-border);
    padding-bottom: 0.75rem;
    margin-bottom: 1.5rem;
}

.lumen-faq-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.lumen-faq-item {
    background-color: var(--lumen-surface);
    border: 1px solid var(--lumen-border-light);
    padding: 1.5rem;
    transition: var(--lumen-transition);
}

.lumen-faq-item[open] {
    border-color: var(--lumen-border);
}

.lumen-faq-item summary {
    font-weight: 700;
    cursor: pointer;
    font-size: 1.05rem;
    list-style: none;
    position: relative;
    padding-right: 2rem;
}

.lumen-faq-item summary::-webkit-details-marker {
    display: none;
}

.lumen-faq-item summary::after {
    content: '+';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.35rem;
    font-weight: 400;
}

.lumen-faq-item[open] summary::after {
    content: '−';
}

.lumen-faq-answer {
    margin-top: 1rem;
    color: var(--lumen-text-muted);
    border-top: 1px solid var(--lumen-border-light);
    padding-top: 1rem;
}

/* Closing CTA Card */
.lumen-closing-cta {
    background-color: var(--lumen-surface);
}

.lumen-closing-card {
    border: 2px solid var(--lumen-border);
    background-color: var(--lumen-bg);
    padding: 4rem;
    text-align: center;
}

.lumen-closing-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.lumen-closing-desc {
    max-width: 800px;
    margin: 0 auto 2.5rem auto;
    font-size: 1.1rem;
    color: var(--lumen-text-muted);
}

/* Split Form Section */
.lumen-form-section {
    background-color: var(--lumen-surface);
    border-bottom: 3px solid var(--lumen-border);
}

.lumen-form-split {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 4rem;
    align-items: flex-start;
}

.lumen-form-heading {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.lumen-form-text {
    font-size: 1.1rem;
    color: var(--lumen-text-muted);
    margin-bottom: 2.5rem;
}

.lumen-form-steps {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.lumen-step-item {
    display: flex;
    gap: 1.5rem;
}

.lumen-step-item h4 {
    margin-bottom: 0.25rem;
}

.lumen-step-item p {
    font-size: 0.9rem;
    color: var(--lumen-text-muted);
}

.lumen-form-box {
    border: 2px solid var(--lumen-border);
    padding: 3rem;
    background-color: var(--lumen-bg);
}

.lumen-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.lumen-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.lumen-label {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--lumen-text);
}

.lumen-required {
    color: var(--lumen-highlight);
    margin-left: 0.25rem;
}

.lumen-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--lumen-text-muted);
    border-radius: 0;
    font-family: var(--lumen-font);
    font-size: 1rem;
    transition: var(--lumen-transition);
}

.lumen-input:focus {
    outline: none;
    border-color: var(--lumen-border);
    box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.1);
}

.lumen-input-help {
    font-size: 0.75rem;
    color: var(--lumen-text-muted);
}

.lumen-consent-group {
    margin-top: 0.5rem;
}

.lumen-checkbox-label {
    display: flex;
    gap: 0.75rem;
    cursor: pointer;
}

.lumen-checkbox {
    margin-top: 0.25rem;
}

.lumen-checkbox-text {
    font-size: 0.85rem;
    color: var(--lumen-text-muted);
}

.lumen-checkbox-text a {
    color: var(--lumen-text);
    font-weight: 700;
    text-decoration: underline;
}

.lumen-btn-submit {
    width: 100%;
    position: relative;
}

.lumen-spinner {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
    position: absolute;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.lumen-form-message {
    padding: 1rem;
    font-size: 0.95rem;
    font-weight: 700;
    text-align: center;
    display: none;
}

.lumen-form-message.success {
    display: block;
    background-color: rgba(17, 94, 89, 0.1);
    color: var(--lumen-accent);
    border: 1px solid var(--lumen-accent);
}

.lumen-form-message.error {
    display: block;
    background-color: rgba(194, 65, 12, 0.1);
    color: var(--lumen-highlight);
    border: 1px solid var(--lumen-highlight);
}/* Footer System Styles */
.lumen-footer {
    background-color: var(--lumen-border);
    color: var(--lumen-bg);
    padding: 5rem 0 2rem 0;
}

.lumen-footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 3rem;
    border-bottom: 1px solid rgba(248, 249, 250, 0.1);
    padding-bottom: 3.5rem;
    margin-bottom: 2rem;
}

.lumen-footer h4 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
    color: rgba(248, 249, 250, 0.6);
}

.lumen-footer-about {
    font-size: 0.9rem;
    color: rgba(248, 249, 250, 0.8);
    margin-top: 1.5rem;
    line-height: 1.7;
}

.lumen-footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.lumen-footer-links a {
    color: rgba(248, 249, 250, 0.8);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--lumen-transition);
}

.lumen-footer-links a:hover {
    color: var(--lumen-bg);
    text-decoration: underline;
}

.lumen-contact-item {
    font-size: 1rem;
    margin-bottom: 1rem;
}

.lumen-contact-hint {
    font-size: 0.8rem;
    color: rgba(248, 249, 250, 0.5);
    line-height: 1.5;
}

.lumen-footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: rgba(248, 249, 250, 0.5);
}

.lumen-back-to-top {
    background-color: transparent;
    border: 1px solid rgba(248, 249, 250, 0.3);
    color: var(--lumen-bg);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-weight: 700;
    transition: var(--lumen-transition);
}

.lumen-back-to-top:hover {
    background-color: var(--lumen-bg);
    color: var(--lumen-border);
}

/* Cookie Consent Banner Styling */
.lumen-cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--lumen-border);
    color: var(--lumen-bg);
    z-index: 1000;
    border-top: 3px solid var(--lumen-accent);
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.lumen-cookie-banner.show {
    transform: translateY(0);
}

.lumen-cookie-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.lumen-cookie-text {
    font-size: 0.85rem;
    line-height: 1.6;
    color: rgba(248, 249, 250, 0.9);
}

.lumen-cookie-text a {
    color: var(--lumen-bg);
    text-decoration: underline;
}

.lumen-cookie-actions {
    display: flex;
    gap: 1rem;
    flex-shrink: 0;
}

.lumen-btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
}

/* Responsive Rules for Mobile Frameworks */
@media (max-width: 1024px) {
    .lumen-hero-grid, .lumen-problem-grid, .lumen-standards-layout, .lumen-cultural-wrapper, .lumen-form-split {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .lumen-benefits-grid, .lumen-scenarios-grid, .lumen-faq-sections, .lumen-glossary-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .lumen-pricing-features {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .lumen-footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .lumen-header-inner {
        position: relative;
    }

    .lumen-nav-toggle {
        display: flex;
    }

    .lumen-nav {
        position: absolute;
        top: 80px;
        left: -2rem;
        right: -2rem;
        background-color: var(--lumen-surface);
        flex-direction: column;
        padding: 2rem;
        border-bottom: 2px solid var(--lumen-border);
        display: none;
        gap: 1.5rem;
        box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    }

    .lumen-nav.show {
        display: flex;
    }

    .lumen-nav-list {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
    }

    .lumen-hero-title {
        font-size: 2.75rem;
    }

    .lumen-section-title {
        font-size: 2rem;
    }

    .lumen-timeline-step {
        grid-template-columns: 1fr;
        gap: 0.5rem;
        padding: 1.5rem 0;
    }

    .lumen-footer-grid {
        grid-template-columns: 1fr;
    }

    .lumen-cookie-inner {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
}