/* LawOS Japanese Minimalism - Main Styles */

/* ===== PAGE LOAD ===== */

body {
    opacity: 0;
    transition: opacity 0.8s ease;
}

body.is-loaded {
    opacity: 1;
}

/* ===== LAYOUT ===== */

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-8);
}

.container--narrow {
    max-width: var(--max-width-narrow);
}

section {
    position: relative;
    padding: var(--space-32) 0;
    z-index: var(--z-content);
}

/* ===== NAVIGATION ===== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    z-index: var(--z-nav);
    display: flex;
    align-items: center;
    background: var(--color-bg);
}

.nav--scrolled {
    border-bottom: var(--border-thin) solid var(--color-border);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-8);
}

.nav-logo {
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    font-weight: var(--font-normal);
    letter-spacing: var(--tracking-wide);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 1.5px;
    background: var(--color-text-primary);
    transition: all var(--transition-base);
}

.nav-toggle--active span:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
}

.nav-toggle--active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle--active span:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-10);
}

.nav-link {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    letter-spacing: var(--tracking-wide);
    transition: color var(--transition-base);
}

.nav-link:hover {
    color: var(--color-text-primary);
}

/* ===== HERO ===== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--nav-height);
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    margin-bottom: var(--space-8);
}

.badge-label {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    color: var(--color-accent);
    border: var(--border-thin) solid var(--color-accent);
    padding: var(--space-2) var(--space-4);
}

.hero-title {
    font-size: var(--text-7xl);
    font-weight: var(--font-light);
    line-height: 1;
    margin-bottom: var(--space-8);
}

.hero-subtitle {
    font-family: var(--font-serif);
    font-size: var(--text-2xl);
    font-weight: var(--font-light);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-16);
    max-width: 500px;
    line-height: var(--leading-relaxed);
}

.hero-cta {
    display: flex;
    gap: var(--space-4);
}

/* ===== RIPPLE EFFECT ===== */

.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: scale(0);
    animation: ripple 0.6s ease-out;
    pointer-events: none;
}

@keyframes ripple {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* ===== STATS ROW ===== */

.stats-row {
    display: flex;
    align-items: baseline;
    gap: var(--space-20);
    padding-top: var(--space-24);
    border-top: var(--border-thin) solid var(--color-border);
    margin-top: var(--space-24);
}

.stat-item {
    text-align: left;
}

/* ===== SECTION HEADERS ===== */

.section-header {
    margin-bottom: var(--space-16);
}

.section-label {
    font-size: var(--text-xs);
    color: var(--color-accent);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    margin-bottom: var(--space-4);
}

.section-title {
    font-size: var(--text-4xl);
    font-weight: var(--font-light);
}

/* ===== PROBLEM SECTION ===== */

.problem-list {
    display: flex;
    flex-direction: column;
}

.problem-item {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: var(--space-8) 0;
    border-bottom: var(--border-thin) solid var(--color-border);
}

.problem-item:first-child {
    border-top: var(--border-thin) solid var(--color-border);
}

.problem-value {
    font-family: var(--font-serif);
    font-size: var(--text-3xl);
    font-weight: var(--font-light);
}

.problem-label {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    text-align: right;
}

/* ===== SOLUTION SECTION ===== */

.solution-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
}

.solution-step {
    text-align: center;
}

.step-icon {
    margin: 0 auto var(--space-6);
}

.step-title {
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    font-weight: var(--font-normal);
    margin-bottom: var(--space-3);
}

.step-description {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
}

/* ===== COMPARISON SECTION ===== */

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
}

.comparison-column {
    padding: var(--space-8) 0;
}

.comparison-header {
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-4);
    border-bottom: var(--border-thin) solid var(--color-border);
}

.comparison-title {
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    font-weight: var(--font-normal);
}

.comparison-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.comparison-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: var(--leading-normal);
}

.comparison-item--good {
    color: var(--color-text-primary);
}

.check-mark {
    color: var(--color-accent);
    flex-shrink: 0;
}

.cross-mark {
    color: var(--color-text-dim);
    flex-shrink: 0;
}

/* ===== CREDIBILITY SECTION ===== */

.credibility-row {
    display: flex;
    justify-content: center;
    gap: var(--space-20);
    padding: var(--space-12) 0;
    border-top: var(--border-thin) solid var(--color-border);
    border-bottom: var(--border-thin) solid var(--color-border);
}

.credibility-item {
    text-align: center;
}

.credibility-value {
    font-family: var(--font-serif);
    font-size: var(--text-lg);
    font-weight: var(--font-normal);
    margin-bottom: var(--space-1);
    white-space: nowrap;
}

.credibility-label {
    font-size: var(--text-xs);
    color: var(--color-text-dim);
    letter-spacing: var(--tracking-wide);
}

/* ===== CTA SECTION ===== */

.cta-section {
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
}

.cta-title {
    font-size: var(--text-3xl);
    font-weight: var(--font-light);
    margin-bottom: var(--space-4);
}

.cta-description {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-10);
    line-height: var(--leading-relaxed);
}

.cta-form {
    display: flex;
    gap: var(--space-4);
    max-width: 400px;
    margin: 0 auto;
}

.cta-form .input-zen {
    flex: 1;
}

/* ===== BUTTON STATES ===== */

.btn-zen--success {
    background: var(--color-success);
}

/* ===== FOOTER ===== */

.footer {
    padding: var(--space-12) 0;
}

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

.footer-logo {
    font-family: var(--font-serif);
    font-size: var(--text-lg);
    font-weight: var(--font-normal);
    letter-spacing: var(--tracking-wide);
}

.footer-links {
    display: flex;
    gap: var(--space-8);
}

.footer-link {
    font-size: var(--text-sm);
    color: var(--color-text-dim);
    letter-spacing: var(--tracking-wide);
    transition: color var(--transition-base);
}

.footer-link:hover {
    color: var(--color-text-primary);
}

/* ===== PARTICLE BANDS ===== */

.particle-band {
    position: relative;
    width: 100%;
    height: 300px;
    overflow: hidden;
    z-index: var(--z-content);
}

.particle-band canvas {
    display: block;
    width: 100%;
    height: 100%;
}

/* ===== RESPONSIVE ===== */

@media (max-width: 1024px) and (min-width: 769px) {
    .solution-steps { grid-template-columns: repeat(2, 1fr); gap: var(--space-10); }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: var(--nav-height);
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-bg);
        padding: var(--space-8);
        gap: var(--space-6);
        border-bottom: var(--border-thin) solid var(--color-border);
    }

    .nav-links--open {
        display: flex;
    }

    .hero-content { max-width: 100%; }
    .hero-title { font-size: var(--text-5xl); }
    .hero-subtitle { font-size: var(--text-xl); }
    .stats-row { flex-direction: column; gap: var(--space-8); }
    .solution-steps { grid-template-columns: 1fr; gap: var(--space-16); }
    .comparison-grid { grid-template-columns: 1fr; }
    .credibility-row { flex-direction: column; gap: var(--space-8); }
    .cta-form { flex-direction: column; }
    .footer-content { flex-direction: column; gap: var(--space-6); text-align: center; }
    .particle-band { height: 200px; }
}