/* ===== RESET & BASE ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --primary: #6C5CE7;
    --primary-light: #A29BFE;
    --primary-bg: rgba(108, 92, 231, 0.06);
    --primary-bg-hover: rgba(108, 92, 231, 0.12);
    --text: #1A1A2E;
    --text-secondary: #6B7280;
    --bg: #FAFBFF;
    --card: #FFFFFF;
    --card-border: rgba(108, 92, 231, 0.08);
    --radius: 16px;
    --radius-sm: 12px;
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 8px 32px rgba(108, 92, 231, 0.08);
}

html { scroll-behavior: smooth; }

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

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

/* ===== LANG SELECTOR (strings.top 스타일 참조) ===== */
.lang-selector {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 1000;
}

.lang-selector select {
    appearance: none;
    -webkit-appearance: none;
    background: rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 13px;
    font-family: inherit;
    padding: 6px 28px 6px 10px;
    cursor: pointer;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    outline: none;
    transition: all 0.2s;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23999' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
}

.lang-selector select:hover {
    background-color: rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 0, 0, 0.15);
    color: var(--text);
}

/* ===== HERO ===== */
.hero {
    padding: 100px 0 80px;
    text-align: center;
    background: linear-gradient(180deg, #F0EDFF 0%, var(--bg) 100%);
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--primary-bg);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 24px;
    letter-spacing: 0.5px;
}

.hero h1 {
    font-size: 56px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 22px;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 16px;
}

.hero-desc {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 40px;
}

.hero-cta {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}

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

.btn-primary:hover {
    background: #5B4BD5;
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: white;
    color: var(--primary);
    border: 1.5px solid var(--primary-light);
}

.btn-secondary:hover {
    background: var(--primary-bg);
    transform: translateY(-1px);
}

.hero-coming {
    margin-top: 16px;
    font-size: 13px;
    color: var(--text-secondary);
}

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

.section-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.section h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.section-desc {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

/* ===== MOOD ===== */
.section-mood {
    background: white;
}

.mood-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
    margin-bottom: 20px;
}

.mood-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 16px 4px;
    background: var(--bg);
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
}

.mood-btn:hover, .mood-btn.active {
    border-color: var(--primary);
    background: var(--primary-bg);
}

.mood-emoji { font-size: 32px; }
.mood-label { font-size: 12px; color: var(--text-secondary); font-weight: 500; }
.mood-btn.active .mood-label { color: var(--primary); }

.mood-input-wrap {
    display: flex;
    gap: 8px;
    align-items: center;
}

.mood-input {
    flex: 1;
    padding: 14px 16px;
    border: 1.5px solid var(--card-border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    background: var(--bg);
    outline: none;
    transition: border-color 0.2s;
}

.mood-input:focus { border-color: var(--primary-light); }

.mood-send {
    width: 44px;
    height: 44px;
    border: none;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.mood-send:hover { background: #5B4BD5; }

/* ===== RECOMMEND ===== */
.recommend-cards {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.recommend-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: white;
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: all 0.2s;
}

.recommend-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.recommend-card-fade { opacity: 0.6; }

.recommend-avatar {
    width: 48px;
    height: 48px;
    background: var(--primary-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.recommend-info { flex: 1; min-width: 0; }

.recommend-name {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 2px;
}

.recommend-mbti {
    font-size: 11px;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-bg);
    padding: 2px 8px;
    border-radius: 50px;
    margin-left: 6px;
}

.recommend-relation {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.recommend-reason {
    font-size: 13px;
    color: var(--primary);
    font-style: italic;
}

.dot-bar { display: flex; gap: 4px; }
.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #E5E7EB;
}
.dot.filled { background: var(--primary); }

/* ===== MATCH ===== */
.section-match { background: white; }

.match-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.match-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 20px;
    background: var(--bg);
    border-radius: var(--radius-sm);
    min-width: 100px;
}

.match-icon { font-size: 28px; }
.match-text { font-size: 12px; font-weight: 500; color: var(--text-secondary); text-align: center; }
.match-arrow { font-size: 20px; color: var(--primary-light); font-weight: 300; }

/* Chat Preview */
.chat-preview {
    max-width: 480px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chat-bubble {
    padding: 14px 18px;
    border-radius: 18px;
    font-size: 14px;
    line-height: 1.6;
    max-width: 85%;
}

.chat-sender {
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 4px;
}

.chat-ai {
    background: var(--primary-bg);
    color: var(--text);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.chat-ai .chat-sender { color: var(--primary); }

.chat-user-a {
    background: var(--primary);
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.chat-user-a .chat-sender { color: rgba(255,255,255,0.8); }

.chat-user-b {
    background: #E8E8ED;
    color: var(--text);
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.chat-user-b .chat-sender { color: var(--text-secondary); }

/* ===== THREE LENSES ===== */
.lenses-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.lens-card {
    padding: 32px 20px;
    background: white;
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.2s;
}

.lens-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.lens-icon { font-size: 40px; margin-bottom: 16px; }

.lens-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
}

.lens-role {
    font-size: 13px;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 12px;
}

.lens-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== AI PARTNER ===== */
.section-ai { background: white; }

.ai-naming {
    display: flex;
    align-items: center;
    gap: 24px;
    justify-content: center;
    margin-bottom: 48px;
}

.ai-avatar {
    width: 80px;
    height: 80px;
    background: var(--primary-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    flex-shrink: 0;
}

.ai-input-wrap { flex: 1; max-width: 320px; }

.ai-name-input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--primary-light);
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-family: inherit;
    font-weight: 600;
    color: var(--primary);
    outline: none;
    text-align: center;
    background: var(--primary-bg);
    margin-bottom: 12px;
}

.ai-name-input::placeholder {
    color: var(--primary-light);
    font-weight: 400;
}

.ai-examples {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
}

.ai-example {
    padding: 4px 12px;
    background: var(--bg);
    border: 1px solid var(--card-border);
    border-radius: 50px;
    font-size: 12px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.ai-example:hover {
    background: var(--primary-bg);
    color: var(--primary);
    border-color: var(--primary-light);
}

.ai-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    max-width: 520px;
    margin: 0 auto;
}

.ai-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--bg);
    border-radius: var(--radius-sm);
    font-size: 14px;
}

.ai-feature-icon { font-size: 20px; flex-shrink: 0; }

/* ===== CTA ===== */
.section-cta {
    text-align: center;
    background: linear-gradient(180deg, var(--bg) 0%, #F0EDFF 100%);
}

/* ===== FOOTER ===== */
.footer {
    padding: 40px 0;
    text-align: center;
}

.footer-links {
    display: flex;
    gap: 24px;
    justify-content: center;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.footer-link {
    font-size: 13px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

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

.footer-copy {
    font-size: 12px;
    color: #9CA3AF;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 640px) {
    .hero { padding: 72px 0 56px; }
    .hero h1 { font-size: 40px; }
    .hero-subtitle { font-size: 18px; }
    .section { padding: 56px 0; }
    .section h2 { font-size: 24px; }

    .mood-grid { grid-template-columns: repeat(3, 1fr); }

    .lenses-grid { grid-template-columns: 1fr; gap: 12px; }
    .lens-card { padding: 24px 16px; }

    .match-flow { flex-direction: column; }
    .match-arrow { transform: rotate(90deg); }

    .ai-naming { flex-direction: column; }
    .ai-features { grid-template-columns: 1fr; }

    .recommend-card { flex-wrap: wrap; }
    .recommend-score { width: 100%; margin-top: 8px; }
}