/* ClawNode — Warm Minimal Theme */

:root {
    --bg: #faf9f7;
    --bg-card: #ffffff;
    
    --text: #1a1a1a;
    --text-secondary: #6b6b6b;
    --text-muted: #9a9a9a;
    
    --accent: #c45c3e;
    --accent-soft: #d97b5c;
    --accent-light: rgba(196, 92, 62, 0.06);
    
    --border: rgba(0, 0, 0, 0.06);
    --shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 4px 32px rgba(0, 0, 0, 0.06);
    
    --transition: all 0.3s ease;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 24px;
}

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

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(250, 249, 247, 0.95);
    backdrop-filter: blur(20px);
}

.nav-inner {
    max-width: 720px;
    margin: 0 auto;
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 17px;
    font-weight: 600;
    color: var(--text);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 20px;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    background: transparent;
    border: 1px solid var(--border);
    padding: 6px 12px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 13px;
    transition: var(--transition);
}

.lang-btn:hover { border-color: var(--text-muted); }

.lang-active { color: var(--text); font-weight: 500; }
.lang-divider, .lang-inactive { color: var(--text-muted); }

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 140px 24px 100px;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 35%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent-light) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content { position: relative; z-index: 1; }

/* Device */
.device-preview {
    position: relative;
    width: 160px;
    height: 160px;
    margin: 0 auto 48px;
}

.device-ring {
    position: absolute;
    top: -6px;
    left: -6px;
    right: -6px;
    bottom: -6px;
    border-radius: 50%;
    border: 1px solid var(--accent-soft);
    opacity: 0.2;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.2; }
    50% { transform: scale(1.02); opacity: 0.1; }
}

.device-body {
    width: 100%;
    height: 100%;
    background: linear-gradient(145deg, #ffffff, #f0eeeb);
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.device-center {
    width: 52px;
    height: 52px;
    background: linear-gradient(145deg, #ffffff, #ebe9e6);
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.hero-title {
    font-size: clamp(40px, 8vw, 64px);
    font-weight: 600;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 460px;
    margin: 0 auto 32px;
    line-height: 1.7;
}

/* Button */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 24px;
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--accent);
    color: white;
    box-shadow: 0 4px 16px rgba(196, 92, 62, 0.25);
}

.btn-primary:hover {
    background: var(--accent-soft);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(196, 92, 62, 0.3);
}

/* Sections */
.section { padding: 80px 0; }

.section + .section {
    border-top: 1px solid var(--border);
}

/* Big Quote */
.big-quote {
    font-size: clamp(22px, 4vw, 30px);
    font-weight: 500;
    text-align: center;
    line-height: 1.5;
    letter-spacing: -0.01em;
}

/* Before / After */
.before-after {
    display: flex;
    align-items: center;
    gap: 32px;
}

.ba-item { flex: 1; }

.ba-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.ba-now .ba-label { color: var(--accent); }

.ba-item p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.ba-now p { color: var(--text); }

.ba-divider {
    width: 1px;
    height: 80px;
    background: var(--border);
}

/* Design Section */
.section-lead {
    font-size: 20px;
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 60px;
    font-style: italic;
}

.design-blocks {
    margin-bottom: 48px;
}

.design-block {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 28px 0;
    border-bottom: 1px solid var(--border);
}

.design-block:last-child { border-bottom: none; }

.design-visual {
    width: 72px;
    height: 72px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.visual-disc {
    width: 56px;
    height: 56px;
    background: linear-gradient(145deg, #ffffff, #f0eeeb);
    border-radius: 50%;
    box-shadow: var(--shadow);
}

.visual-glow {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    position: absolute;
}

.visual-glow.dim {
    background: #e8ddd4;
    box-shadow: 0 0 12px rgba(232, 221, 212, 0.5);
}

.visual-glow.bright {
    background: #faf8f5;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.8), 0 0 40px rgba(250, 248, 245, 0.3);
    border: 1px solid rgba(0,0,0,0.04);
}

.visual-touch {
    width: 48px;
    height: 48px;
    background: linear-gradient(145deg, #f5f3f0, #e8e6e3);
    border-radius: 50%;
    box-shadow: var(--shadow);
}

.design-text { flex: 1; }

.design-text h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 6px;
}

.design-text p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.design-specs {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    padding-top: 32px;
}

.design-specs span {
    font-size: 13px;
    color: var(--text-muted);
    padding: 6px 14px;
    background: var(--bg-card);
    border-radius: 20px;
    border: 1px solid var(--border);
}

/* Cases - Vertical List */
.cases-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.case-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: var(--shadow);
}

.case-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    margin-top: 8px;
    flex-shrink: 0;
}

.case-item p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Setup */
.setup-simple {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.setup-step {
    text-align: center;
    min-width: 140px;
}

.setup-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--accent);
    color: white;
    border-radius: 50%;
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 10px;
}

.setup-step p {
    font-size: 14px;
    color: var(--text-secondary);
}

.setup-arrow {
    color: var(--text-muted);
    font-size: 18px;
}

/* Footer */
.footer {
    border-top: 1px solid var(--border);
    padding: 40px 0;
}

.footer p {
    font-size: 14px;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 640px) {
    .section { padding: 60px 0; }
    
    .before-after {
        flex-direction: column;
        gap: 32px;
    }
    
    .ba-divider {
        width: 60px;
        height: 1px;
    }
    
    .design-block {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }
    
    .setup-simple {
        flex-direction: column;
        gap: 20px;
    }
    
    .setup-arrow {
        transform: rotate(90deg);
    }
}