/* ═══════════════════════════════════════════════════════════
   無窮無盡 파이코인 가입 안내 & AI 상담 웹앱 스타일시트
   ═══════════════════════════════════════════════════════════ */

/* CSS Variables (갈색 계통) */
:root {
    /* 갈색 팔레트 */
    --main-brown: #8B6F47;
    --dark-brown: #5D4E37;
    --light-brown: #A68A64;
    --gold-brown: #C19A6B;
    --cream-bg: #FAF8F3;
    --golden: #C19A6B;
    --text-brown: #8B6F47;
    
    /* 보조 색상 */
    --white: #FFFFFF;
    --black: #1A1A1A;
    --gray-light: #F5F5F5;
    --gray-medium: #CCCCCC;
    --gray-dark: #666666;
    
    /* 강조 색상 */
    --accent-green: #4CAF50;
    --accent-red: #E74C3C;
    --accent-blue: #4A90E2;
    
    /* 폰트 */
    --font-main: 'Noto Sans KR', sans-serif;
    --font-hanja: 'Nanum Myeongjo', serif;
    
    /* 그림자 */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15);
    
    /* 전환 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}



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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    line-height: 1.6;
    color: var(--black);
    background-color: var(--cream-bg);
    overflow-x: hidden;
}

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

/* ═══════════════════════════════════════════════════════════
   배너 섹션
   ═══════════════════════════════════════════════════════════ */

/* 추가 수익 공유 시스템 배너 (최상단) */
.additional-income-notice {
    background: linear-gradient(135deg, #4CAF50, #45a049);
    color: var(--white);
    padding: 15px 0;
    text-align: center;
    font-size: 0.95rem;
    box-shadow: var(--shadow-md);
    position: relative;
    z-index: 1000;
    animation: slideDown 0.5s ease;
}

.additional-income-notice .notice-text {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.additional-income-notice i {
    color: var(--white);
    font-size: 1.2rem;
    animation: pulse 2s infinite;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
}

/* 특별 공지 배너 */
.special-notice {
    background: linear-gradient(135deg, var(--main-brown), var(--dark-brown));
    color: var(--white);
    padding: 15px 0;
    text-align: center;
    font-size: 0.95rem;
    box-shadow: var(--shadow-md);
    position: relative;
    z-index: 999;
}

.special-notice .notice-text {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.special-notice i {
    color: var(--golden);
    font-size: 1.2rem;
}

.pi-payment-notice {
    background: linear-gradient(135deg, var(--gold-brown), var(--main-brown));
    color: var(--white);
    padding: 12px 0;
    text-align: center;
    font-size: 0.9rem;
}

.pi-payment-notice strong {
    color: var(--text-brown);
    font-weight: 700;
}

/* 모바일 배너 반응형 */
@media (max-width: 768px) {
    .additional-income-notice,
    .special-notice,
    .pi-payment-notice {
        font-size: 0.85rem;
        padding: 12px 0;
    }
    
    .additional-income-notice .notice-text,
    .special-notice .notice-text,
    .pi-payment-notice .notice-text {
        flex-direction: row;
        gap: 8px;
        padding: 0 10px;
    }
    
    .additional-income-notice i,
    .special-notice i {
        font-size: 1rem;
    }
}

/* ═══════════════════════════════════════════════════════════
   Header & Navigation
   ═══════════════════════════════════════════════════════════ */
.header {
    background: var(--white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 998;
}

.navbar {
    padding: 15px 0;
}

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

/* 로고 */
.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    color: var(--black);
}

.dharma-wheel {
    flex-shrink: 0;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--main-brown);
    letter-spacing: -0.5px;
}

.logo-subtitle {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: var(--dark-brown);
    font-family: var(--font-hanja);
}

/* 황금 법륜 회전 애니메이션 */
@keyframes dharmaRotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

#dharmaWheelGroup {
    transform-origin: 50% 50%;
    transform-box: fill-box;
    animation: dharmaRotate 8s linear infinite;
}

/* 데스크톱 네비게이션 */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: var(--dark-brown);
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
    padding: 5px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--main-brown);
    transition: var(--transition-fast);
}

.nav-link:hover {
    color: var(--main-brown);
}

.nav-link:hover::after {
    width: 100%;
}

/* 우측 메뉴 */
.nav-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* Google Translate 위젯 */
.translate-widget {
    position: relative;
}

/* 햄버거 메뉴 */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--main-brown);
    transition: var(--transition-normal);
}



.hamburger.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

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

.hamburger.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* 모바일 오프캔버스 메뉴 */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100vh;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
    z-index: 1001;
    overflow-y: auto;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    border-bottom: 1px solid var(--gray-light);
    background: linear-gradient(135deg, var(--main-brown), var(--dark-brown));
    color: var(--white);
}

.mobile-menu-header h3 {
    font-size: 1.2rem;
    font-weight: 700;
}

.close-menu {
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-nav-list {
    list-style: none;
    padding: 20px 0;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 20px;
    color: var(--black);
    text-decoration: none;
    transition: var(--transition-fast);
}

.mobile-nav-link:hover {
    background: var(--gray-light);
    color: var(--main-brown);
}

.mobile-nav-link i {
    width: 20px;
    text-align: center;
}

.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 1000;
}

.mobile-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ═══════════════════════════════════════════════════════════
   Hero Section
   ═══════════════════════════════════════════════════════════ */
.hero {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--cream-bg), var(--gray-light));
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-subtitle {
    display: block;
    font-size: 1rem;
    color: var(--main-brown);
    font-weight: 600;
    margin-bottom: 10px;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    color: var(--dark-brown);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--gray-dark);
    margin-bottom: 40px;
}

.highlight {
    color: var(--main-brown);
    font-weight: 700;
}

/* 통계 카드 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 40px 0;
}

.stat-card {
    background: var(--white);
    padding: 30px 20px;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 15px;
    transition: var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-card i {
    font-size: 2.5rem;
    color: var(--main-brown);
}

.stat-content h3 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--dark-brown);
    margin-bottom: 5px;
}

.stat-content p {
    font-size: 0.9rem;
    color: var(--gray-dark);
}

/* Hero CTA */
.hero-cta {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ═══════════════════════════════════════════════════════════
   Buttons
   ═══════════════════════════════════════════════════════════ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-normal);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--main-brown), var(--dark-brown));
    color: var(--white);
}

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

.btn-outline {
    background: transparent;
    color: var(--main-brown);
    border-color: var(--main-brown);
}

.btn-outline:hover {
    background: var(--main-brown);
    color: var(--white);
}

.btn-lg {
    padding: 15px 40px;
    font-size: 1.1rem;
}

/* ═══════════════════════════════════════════════════════════
   Section Header
   ═══════════════════════════════════════════════════════════ */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--dark-brown);
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray-dark);
}

/* ═══════════════════════════════════════════════════════════
   파이코인 소개
   ═══════════════════════════════════════════════════════════ */
.intro-section {
    padding: 80px 0;
    background: var(--white);
}

.intro-text {
    max-width: 800px;
    margin: 0 auto;
}

.intro-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    line-height: 1.8;
}

.intro-list {
    list-style: none;
    margin-top: 30px;
}

.intro-list li {
    padding: 15px;
    margin-bottom: 10px;
    background: var(--gray-light);
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.intro-list i {
    color: var(--accent-green);
    font-size: 1.5rem;
}

/* ═══════════════════════════════════════════════════════════
   16가지 특징
   ═══════════════════════════════════════════════════════════ */
.features-section {
    padding: 80px 0;
    background: var(--cream-bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.feature-card {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--main-brown), var(--gold-brown));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon i {
    font-size: 1.8rem;
    color: var(--white);
}

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--dark-brown);
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--gray-dark);
    line-height: 1.6;
}

/* ═══════════════════════════════════════════════════════════
   가입 방법
   ═══════════════════════════════════════════════════════════ */
.guide-section {
    padding: 80px 0;
    background: var(--white);
}

.download-section {
    text-align: center;
    margin-bottom: 50px;
}

.download-section h3 {
    font-size: 1.5rem;
    color: var(--dark-brown);
    margin-bottom: 20px;
}

.download-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-download {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px 30px;
    background: var(--white);
    border: 2px solid var(--main-brown);
    border-radius: 12px;
    transition: var(--transition-normal);
    text-decoration: none;
    color: var(--black);
}

.btn-download:hover {
    background: var(--main-brown);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-download i {
    font-size: 2.5rem;
}

.btn-download small {
    display: block;
    font-size: 0.85rem;
}

.btn-download strong {
    display: block;
    font-size: 1rem;
}

/* 가입 단계 */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin: 40px 0;
}

.step-card {
    background: var(--gray-light);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    position: relative;
    transition: var(--transition-normal);
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--main-brown), var(--dark-brown));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0 auto 20px;
}

.step-card h3 {
    font-size: 1.3rem;
    color: var(--dark-brown);
    margin-bottom: 15px;
}

.step-card p {
    color: var(--gray-dark);
    line-height: 1.6;
}

.step-highlight {
    background: linear-gradient(135deg, var(--gold-brown), var(--light-brown));
    color: var(--white);
}

.step-highlight h3,
.step-highlight p {
    color: var(--white);
}

/* 초대코드 박스 */
.invite-code-box {
    display: flex;
    gap: 10px;
    margin: 15px 0;
    background: var(--white);
    padding: 10px;
    border-radius: 8px;
}

.invite-code-box input {
    flex: 1;
    padding: 12px;
    border: 2px solid var(--main-brown);
    border-radius: 6px;
    font-size: 1.1rem;
    font-weight: 700;
    text-align: center;
    color: var(--dark-brown);
}

.btn-copy {
    padding: 12px 20px;
    background: var(--main-brown);
    color: var(--white);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition-fast);
}

.btn-copy:hover {
    background: var(--dark-brown);
}

.highlight-text {
    color: var(--text-brown);
    font-weight: 700;
    font-size: 1.1rem;
    margin-top: 10px;
}

/* 중요 원칙 */
.principles-box {
    background: linear-gradient(135deg, var(--main-brown), var(--dark-brown));
    color: var(--white);
    padding: 30px;
    border-radius: 15px;
    margin-top: 40px;
}

.principles-box h3 {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.principles-box ul {
    list-style: none;
}

.principles-box li {
    padding: 10px 0;
    display: flex;
    align-items: center;
    gap: 15px;
}

.principles-box i {
    color: var(--text-brown);
}

/* ═══════════════════════════════════════════════════════════
   3년 후 가격 전망
   ═══════════════════════════════════════════════════════════ */
.price-prediction-section {
    padding: 80px 0;
    background: var(--cream-bg);
}

.current-price-box,
.prediction-2028,
.conclusion-box,
.key-factors,
.yearly-growth,
.expert-opinions,
.risk-notice {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    margin-bottom: 30px;
}

.current-price-box h3,
.prediction-2028 h3,
.conclusion-box h3,
.key-factors h3,
.yearly-growth h3,
.expert-opinions h3,
.risk-notice h3 {
    font-size: 1.5rem;
    color: var(--dark-brown);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.price-info {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
}

.price-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.price-item .label {
    font-size: 0.9rem;
    color: var(--gray-dark);
}

.price-item .value {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--main-brown);
}

.price-item .krw {
    font-size: 0.85rem;
    color: var(--gray-dark);
}

/* 예측 카드 */
.prediction-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 25px;
}

.prediction-card {
    background: var(--gray-light);
    padding: 25px;
    border-radius: 12px;
}

.prediction-card.conservative {
    border-left: 5px solid var(--accent-blue);
}

.prediction-card.optimistic {
    border-left: 5px solid var(--accent-green);
    background: linear-gradient(135deg, #E8F5E9, #F1F8E9);
}

.prediction-card h4 {
    font-size: 1.3rem;
    color: var(--dark-brown);
    margin-bottom: 20px;
}

.prediction-values,
.conclusion-values {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.pred-item,
.concl-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.pred-label,
.concl-label {
    font-size: 0.85rem;
    color: var(--gray-dark);
    font-weight: 600;
}

.pred-value,
.concl-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--main-brown);
}

.pred-krw,
.concl-krw {
    font-size: 0.8rem;
    color: var(--gray-dark);
}

.highlight-gold {
    color: var(--golden) !important;
}

.highlight-green {
    color: var(--accent-green) !important;
}

/* 종합 결론 */
.conclusion-content {
    text-align: center;
}

.conclusion-values {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.concl-item.highlight {
    background: linear-gradient(135deg, var(--gold-brown), var(--light-brown));
    color: var(--white);
    padding: 20px;
    border-radius: 10px;
}

.concl-item.highlight .concl-label,
.concl-item.highlight .concl-value,
.concl-item.highlight .concl-krw {
    color: var(--white);
}

.roi-text {
    font-size: 1.2rem;
    margin-top: 20px;
}

/* 핵심 요인 */
.factors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.factor-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background: var(--gray-light);
    border-radius: 8px;
}

.factor-item i {
    color: var(--accent-green);
    font-size: 1.3rem;
}

/* 연도별 성장 테이블 */
.growth-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.growth-table th,
.growth-table td {
    padding: 15px;
    text-align: center;
    border-bottom: 1px solid var(--gray-medium);
}

.growth-table th {
    background: var(--main-brown);
    color: var(--white);
    font-weight: 700;
}

.growth-table tbody tr:hover {
    background: var(--gray-light);
}

.growth-table .highlight-row {
    background: linear-gradient(135deg, #FFF9E6, #FFE5CC);
    font-weight: 700;
}

/* 전문가 의견 */
.opinions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.opinion-card {
    padding: 20px;
    background: var(--gray-light);
    border-radius: 10px;
    border-left: 4px solid var(--main-brown);
}

.expert-name {
    font-weight: 700;
    color: var(--dark-brown);
    margin-bottom: 10px;
}

/* 주의사항 */
.risk-notice {
    background: linear-gradient(135deg, #FFF3E0, #FFE0B2);
    border-left: 5px solid var(--accent-red);
}

.risk-notice ul {
    list-style: none;
    margin-top: 15px;
}

.risk-notice li {
    padding: 10px 0;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.risk-notice li::before {
    content: '⚠️';
    font-size: 1.2rem;
}

/* ═══════════════════════════════════════════════════════════
   파이불변금 송 (게송)
   ═══════════════════════════════════════════════════════════ */
.poem-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--cream-bg), #F5EFE7);
}

.poem-container {
    max-width: 900px;
    margin: 0 auto;
}

.poem-box {
    background: var(--white);
    padding: 40px;
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
    border: 3px solid var(--gold-brown);
}

.poem-verse {
    margin-bottom: 30px;
    padding: 20px;
    background: var(--gray-light);
    border-radius: 10px;
    border-left: 4px solid var(--main-brown);
}

.poem-verse.highlight-verse {
    background: linear-gradient(135deg, #FFF9E6, #FFE5CC);
    border-left: 4px solid var(--golden);
}

.poem-verse .hanja {
    display: block;
    font-family: var(--font-hanja);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark-brown);
    margin-bottom: 5px;
    letter-spacing: 2px;
}

.poem-verse .hangul {
    display: block;
    font-size: 0.9rem;
    color: var(--gray-dark);
    margin-bottom: 10px;
    font-weight: 600;
}

.poem-verse .meaning {
    font-size: 1.1rem;
    color: var(--black);
    line-height: 1.6;
    margin-bottom: 8px;
}

.poem-verse .meaning-detail {
    font-size: 0.95rem;
    color: var(--main-brown);
    font-weight: 600;
    margin-top: 10px;
}

.poem-divider {
    height: 2px;
    background: linear-gradient(to right, transparent, var(--gold-brown), transparent);
    margin: 30px 0;
}

/* 게송 해석 */
.poem-interpretation {
    margin-top: 40px;
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
}

.poem-interpretation h3 {
    font-size: 1.5rem;
    color: var(--dark-brown);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.interpretation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.interp-item {
    padding: 15px;
    background: var(--gray-light);
    border-radius: 8px;
}

.interp-item.highlight-interp {
    background: linear-gradient(135deg, #FFF9E6, #FFE5CC);
    border: 2px solid var(--golden);
}

.interp-item strong {
    display: block;
    color: var(--main-brown);
    font-weight: 700;
    margin-bottom: 8px;
}

.interp-item p {
    font-size: 0.9rem;
    color: var(--gray-dark);
    line-height: 1.5;
}

.poem-footer {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 2px solid var(--gold-brown);
    color: var(--gray-dark);
    font-size: 0.9rem;
}

/* ═══════════════════════════════════════════════════════════
   블록체인과 사주팔자의 혁명적 융합
   ═══════════════════════════════════════════════════════════ */
.blockchain-saju-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #F3E5F5, #E1BEE7);
}

.blockchain-intro,
.blockchain-part {
    background: var(--white);
    padding: 40px;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    margin-bottom: 30px;
}

.blockchain-intro h3,
.blockchain-part h3 {
    font-size: 1.8rem;
    color: var(--dark-brown);
    margin-bottom: 20px;
}

.blockchain-intro p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--gray-dark);
}

.blockchain-concept {
    margin: 30px 0;
}

.blockchain-concept h4 {
    font-size: 1.3rem;
    color: var(--main-brown);
    margin-bottom: 15px;
}

.code-block {
    background: #2D2D2D;
    color: #00FF00;
    padding: 20px;
    border-radius: 10px;
    font-family: 'Courier New', monospace;
    margin: 15px 0;
    overflow-x: auto;
}

.code-block pre {
    margin: 0;
    line-height: 1.6;
}

.blockchain-table {
    margin: 30px 0;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.comparison-table th,
.comparison-table td {
    padding: 15px;
    text-align: left;
    border: 1px solid var(--gray-medium);
}

.comparison-table th {
    background: linear-gradient(135deg, var(--main-brown), var(--dark-brown));
    color: var(--white);
    font-weight: 700;
}

.comparison-table tbody tr:hover {
    background: var(--gray-light);
}

.limitation-box {
    background: linear-gradient(135deg, #FFEBEE, #FFCDD2);
    padding: 30px;
    border-radius: 12px;
    margin-top: 30px;
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.problem-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background: var(--white);
    border-radius: 8px;
}

.problem-item i {
    color: var(--accent-red);
    font-size: 1.3rem;
}

.principle-box {
    background: linear-gradient(135deg, #E8F5E9, #C8E6C9);
    padding: 40px;
    border-radius: 15px;
    margin: 30px 0;
}

.innovation-steps {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-top: 25px;
}

.step-box {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.step-box h5 {
    font-size: 1.3rem;
    color: var(--main-brown);
    margin-bottom: 15px;
}

.step-box.highlight-step {
    background: linear-gradient(135deg, #FFF9E6, #FFE5CC);
    border: 3px solid var(--golden);
}

.check-list,
.incentive-list {
    list-style: none;
    margin-top: 15px;
}

.check-list li,
.incentive-list li {
    padding: 10px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.check-list i {
    color: var(--accent-green);
    font-size: 1.2rem;
}

.comparison-card {
    margin-top: 15px;
}

.old-way,
.new-way {
    padding: 15px;
    margin: 10px 0;
    border-radius: 8px;
}

.old-way {
    background: #FFEBEE;
}

.new-way {
    background: #E8F5E9;
}

.new-way ul {
    list-style: none;
    margin-top: 10px;
}

.new-way li {
    padding: 5px 0;
}

.new-way li::before {
    content: '✅ ';
}

/* 3부: 5대 원리 */
.highlight-part {
    background: linear-gradient(135deg, #FFF9E6, #FFE5CC);
    border: 3px solid var(--golden);
}

.principles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.principle-card {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    position: relative;
    transition: var(--transition-normal);
}

.principle-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.principle-card.highlight-card {
    background: linear-gradient(135deg, #FFF9E6, #FFE5CC);
    border: 2px solid var(--golden);
}

.principle-number {
    position: absolute;
    top: -15px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--main-brown), var(--dark-brown));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
}

.principle-card h4 {
    font-size: 1.2rem;
    color: var(--dark-brown);
    margin-bottom: 15px;
}

.principle-card ul {
    list-style: none;
    margin-top: 10px;
}

.principle-card li {
    padding: 8px 0;
}

.principle-card li::before {
    content: '→ ';
    color: var(--main-brown);
    font-weight: 700;
}

/* 추가 수익 시스템 */
.additional-income-systems {
    margin-top: 30px;
    padding: 25px;
    background: linear-gradient(135deg, #F3E5F5, #E1BEE7);
    border-radius: 12px;
    border: 2px solid var(--main-brown);
}

.additional-income-systems h5 {
    font-size: 1.3rem;
    color: var(--dark-brown);
    text-align: center;
    margin-bottom: 20px;
}

.income-system-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.income-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
    background: var(--white);
    padding: 20px;
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.income-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.income-number {
    width: 35px;
    height: 35px;
    background: linear-gradient(135deg, var(--main-brown), var(--dark-brown));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.income-content {
    flex: 1;
}

.income-content strong {
    display: block;
    color: var(--main-brown);
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.income-content p {
    color: var(--gray-dark);
    line-height: 1.6;
    margin: 0;
}

.revolutionary-conclusion {
    margin-top: 25px;
    padding: 25px;
    background: linear-gradient(135deg, #FFF9E6, #FFE5CC);
    border-radius: 10px;
    border-left: 5px solid var(--golden);
}

.conclusion-highlight {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--black);
    margin: 0;
}

.text-gold {
    color: var(--main-brown);
    font-weight: 700;
    background: linear-gradient(135deg, #FFF9E6, #FFE5CC);
    padding: 2px 6px;
    border-radius: 4px;
}

.text-green {
    color: var(--accent-green);
    font-weight: 700;
    background: #E8F5E9;
    padding: 2px 6px;
    border-radius: 4px;
}

.text-red {
    color: var(--accent-red);
    font-weight: 700;
    background: #FFEBEE;
    padding: 2px 6px;
    border-radius: 4px;
}

/* 4부: 로드맵 */
.roadmap-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.roadmap-phase {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    position: relative;
}

.roadmap-phase.highlight-phase {
    background: linear-gradient(135deg, #E8F5E9, #C8E6C9);
    border: 2px solid var(--accent-green);
}

.phase-header {
    position: absolute;
    top: -15px;
    left: 20px;
    background: linear-gradient(135deg, var(--accent-blue), #1976D2);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.9rem;
}

.roadmap-phase h4 {
    font-size: 1.2rem;
    color: var(--dark-brown);
    margin: 15px 0;
}

.roadmap-phase ol,
.roadmap-phase ul {
    margin-top: 15px;
}

.roadmap-phase li {
    padding: 8px 0;
    line-height: 1.6;
}

.mission-box {
    background: var(--gray-light);
    padding: 20px;
    border-radius: 10px;
    margin-top: 15px;
}

.mission-box strong {
    display: block;
    color: var(--main-brown);
    margin: 10px 0 5px 0;
}

/* 결론 */
.blockchain-conclusion {
    background: linear-gradient(135deg, var(--cream-bg), #FFF9E6);
    padding: 50px;
    border-radius: 15px;
    margin-top: 30px;
}

.blockchain-conclusion h3 {
    font-size: 2rem;
    color: var(--dark-brown);
    text-align: center;
    margin-bottom: 30px;
}

.revolution-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin: 30px 0;
}

.revolution-card {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.revolution-card.highlight-card {
    background: linear-gradient(135deg, #FFF9E6, #FFE5CC);
    border: 3px solid var(--golden);
}

.revolution-card h4 {
    font-size: 1.3rem;
    color: var(--main-brown);
    margin-bottom: 15px;
}

.revolution-card p {
    margin: 10px 0;
    line-height: 1.6;
}

.final-message {
    text-align: center;
    margin: 40px 0;
    padding: 40px;
    background: var(--white);
    border-radius: 15px;
}

.final-message h3 {
    font-size: 1.8rem;
    color: var(--dark-brown);
    margin-bottom: 20px;
}

.highlight-text {
    font-size: 1.2rem;
    color: var(--main-brown);
    font-weight: 600;
    line-height: 1.8;
    margin: 20px 0;
}

.destiny-list {
    list-style: none;
    max-width: 600px;
    margin: 30px auto;
    text-align: left;
}

.destiny-list li {
    padding: 15px;
    margin: 10px 0;
    background: var(--gray-light);
    border-radius: 8px;
    border-left: 4px solid var(--main-brown);
}

.conclusion-text {
    font-size: 1.3rem;
    margin-top: 30px;
    padding: 25px;
    background: linear-gradient(135deg, #FFF9E6, #FFE5CC);
    border-radius: 10px;
}

/* 김보준 전문가 스토리 */
.expert-story {
    background: linear-gradient(135deg, #FFF9E6, #FFE5CC);
    padding: 50px;
    border-radius: 15px;
    margin-top: 40px;
    border: 3px solid var(--golden);
}

.expert-story h3 {
    font-size: 2rem;
    color: var(--dark-brown);
    text-align: center;
    margin-bottom: 30px;
}

.story-content {
    max-width: 900px;
    margin: 0 auto;
}

.story-intro {
    text-align: center;
    margin-bottom: 30px;
}

.emphasis-text {
    font-size: 1.2rem;
    color: var(--main-brown);
    font-weight: 600;
    line-height: 1.8;
}

.story-main h4 {
    font-size: 1.5rem;
    color: var(--dark-brown);
    margin: 30px 0 20px 0;
    text-align: center;
}

.timeline-story {
    margin: 30px 0;
}

.timeline-item {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    margin-bottom: 20px;
    border-left: 5px solid var(--main-brown);
    box-shadow: var(--shadow-md);
}

.timeline-item.highlight-timeline {
    background: linear-gradient(135deg, #E8F5E9, #C8E6C9);
    border-left: 5px solid var(--accent-green);
}

.timeline-year {
    display: inline-block;
    background: linear-gradient(135deg, var(--main-brown), var(--dark-brown));
    color: var(--white);
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.timeline-content h5 {
    font-size: 1.3rem;
    color: var(--dark-brown);
    margin-bottom: 15px;
}

.timeline-content p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--gray-dark);
}

.highlight-gold {
    color: var(--text-brown);
    font-weight: 700;
    background: linear-gradient(135deg, #FFF9E6, #FFE5CC);
    padding: 2px 8px;
    border-radius: 4px;
}

.highlight-green {
    color: var(--accent-green);
    font-weight: 700;
    background: #E8F5E9;
    padding: 2px 8px;
    border-radius: 4px;
}

.highlight-red {
    color: var(--accent-red);
    font-weight: 700;
    background: #FFEBEE;
    padding: 2px 8px;
    border-radius: 4px;
}

.deep-wisdom {
    background: var(--white);
    padding: 40px;
    border-radius: 15px;
    margin: 30px 0;
    box-shadow: var(--shadow-lg);
    display: flex;
    gap: 25px;
    align-items: flex-start;
}

.wisdom-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--golden), #FFA000);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.wisdom-icon i {
    font-size: 2rem;
    color: var(--white);
}

.wisdom-content {
    flex: 1;
}

.wisdom-content h5 {
    font-size: 1.4rem;
    color: var(--dark-brown);
    margin-bottom: 15px;
}

.wisdom-content p {
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 20px;
}

.important-notice {
    background: linear-gradient(135deg, #FFEBEE, #FFCDD2);
    padding: 20px;
    border-radius: 10px;
    border-left: 5px solid var(--accent-red);
    display: flex;
    gap: 15px;
    align-items: flex-start;
    margin-top: 20px;
}

.important-notice i {
    font-size: 1.5rem;
    color: var(--accent-red);
    flex-shrink: 0;
    margin-top: 2px;
}

.important-notice div {
    flex: 1;
    line-height: 1.8;
}

.story-cta {
    background: linear-gradient(135deg, #E1BEE7, #CE93D8);
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    margin-top: 30px;
}

.story-cta h4 {
    font-size: 1.6rem;
    color: var(--dark-brown);
    margin-bottom: 15px;
}

.story-cta > p {
    font-size: 1.1rem;
    color: var(--gray-dark);
    margin-bottom: 25px;
}

.contact-box {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    max-width: 600px;
    margin: 0 auto;
    box-shadow: var(--shadow-md);
}

.contact-box p {
    margin: 12px 0;
    font-size: 1.1rem;
}

.contact-box strong {
    color: var(--main-brown);
}

.contact-note {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 2px solid var(--gray-light);
    font-size: 0.95rem;
    color: var(--gray-dark);
    font-style: italic;
}

.special-offer {
    background: linear-gradient(135deg, var(--accent-green), #388E3C);
    color: var(--white);
    padding: 40px;
    border-radius: 15px;
    margin-top: 40px;
    text-align: center;
}

.special-offer h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.special-offer ul {
    list-style: none;
    max-width: 600px;
    margin: 20px auto;
    text-align: left;
}

.special-offer li {
    padding: 10px 0;
    font-size: 1.1rem;
}

.special-offer li::before {
    content: '🎁 ';
}

.final-quote {
    font-size: 1.2rem;
    margin-top: 25px;
    font-style: italic;
    line-height: 1.8;
}

/* 반응형 (모바일) */
@media (max-width: 768px) {
    .blockchain-intro,
    .blockchain-part,
    .blockchain-conclusion {
        padding: 25px;
    }
    
    .principles-grid,
    .roadmap-grid,
    .revolution-cards {
        grid-template-columns: 1fr;
    }
    
    .comparison-table {
        font-size: 0.85rem;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 10px 5px;
    }
    
    .expert-story {
        padding: 25px;
    }
    
    .deep-wisdom {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .wisdom-icon {
        margin-bottom: 20px;
    }
    
    .story-cta {
        padding: 25px;
    }
    
    .contact-box {
        padding: 20px;
    }
}

/* ═══════════════════════════════════════════════════════════
   파이코인 실시간 가격
   ═══════════════════════════════════════════════════════════ */
.live-price-section {
    padding: 40px 0;
    background: linear-gradient(135deg, #1A237E, #283593);
}

.live-price-container {
    background: var(--white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.price-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--gray-light);
}

.price-title {
    display: flex;
    align-items: center;
    gap: 15px;
}

.price-title i {
    font-size: 2rem;
    color: var(--main-brown);
}

.price-title h3 {
    font-size: 1.8rem;
    color: var(--dark-brown);
    margin: 0;
}

.live-badge {
    background: linear-gradient(135deg, #FF5252, #F44336);
    color: var(--white);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.6;
    }
}

.price-source {
    color: var(--gray-dark);
    font-size: 0.85rem;
}

.price-display-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.price-card {
    background: var(--gray-light);
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition-normal);
}

.price-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.price-card.main-price {
    background: linear-gradient(135deg, #FFF9E6, #FFE5CC);
    border: 3px solid var(--main-brown);
    grid-column: span 2;
}

.price-label {
    font-size: 0.9rem;
    color: var(--gray-dark);
    margin-bottom: 10px;
    font-weight: 600;
}

.price-value {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--dark-brown);
    margin-bottom: 10px;
}

.price-card.main-price .price-value {
    font-size: 3rem;
    color: var(--main-brown);
}

.price-value .loading {
    font-size: 1rem;
    color: var(--gray-dark);
    font-weight: 400;
}

.price-change {
    font-size: 1rem;
    font-weight: 600;
}

.price-change.positive {
    color: var(--accent-green);
}

.price-change.positive::before {
    content: '▲ ';
}

.price-change.negative {
    color: var(--accent-red);
}

.price-change.negative::before {
    content: '▼ ';
}

.price-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 2px solid var(--gray-light);
    margin-bottom: 20px;
}

.last-update {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gray-dark);
    font-size: 0.9rem;
}

.last-update i {
    color: var(--main-brown);
}

.btn-refresh {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: linear-gradient(135deg, var(--main-brown), var(--dark-brown));
    color: var(--white);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition-normal);
}

.btn-refresh:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-refresh i {
    transition: transform 0.5s ease;
}

.btn-refresh.refreshing i {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.price-links {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.price-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--gray-light);
    color: var(--dark-brown);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition-normal);
}

.price-link:hover {
    background: var(--main-brown);
    color: var(--white);
    transform: translateY(-2px);
}

.price-link i {
    font-size: 1.1rem;
}

/* 계산기 현재가 표시 */
.current-price-display {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background: linear-gradient(135deg, #E3F2FD, #BBDEFB);
    border-radius: 8px;
    border-left: 4px solid var(--accent-blue);
}

.current-price-display i {
    color: var(--accent-blue);
    font-size: 1.2rem;
}

.current-price-display strong {
    color: var(--main-brown);
    font-size: 1.1rem;
}

/* 반응형 */
@media (max-width: 768px) {
    .live-price-container {
        padding: 25px;
    }
    
    .price-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .price-title {
        flex-direction: column;
        gap: 10px;
    }
    
    .price-display-grid {
        grid-template-columns: 1fr;
    }
    
    .price-card.main-price {
        grid-column: span 1;
    }
    
    .price-value {
        font-size: 1.8rem;
    }
    
    .price-card.main-price .price-value {
        font-size: 2.5rem;
    }
    
    .price-footer {
        flex-direction: column;
        gap: 15px;
    }
    
    .price-links {
        flex-direction: column;
        width: 100%;
    }
    
    .price-link {
        justify-content: center;
    }
}

/* ═══════════════════════════════════════════════════════════
   파이코인 수익률 계산기
   ═══════════════════════════════════════════════════════════ */
.calculator-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #E3F2FD, #BBDEFB);
}

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

.calculator-box {
    background: var(--white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 40px;
}

.calculator-input-section h3,
.calculator-result-section h3 {
    font-size: 1.5rem;
    color: var(--dark-brown);
    margin-bottom: 25px;
    text-align: center;
}

.input-group {
    margin-bottom: 25px;
}

.input-group label {
    display: block;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark-brown);
    margin-bottom: 10px;
}

.input-group label i {
    color: var(--main-brown);
    margin-right: 8px;
}

.input-group input,
.input-group select {
    width: 100%;
    padding: 15px;
    font-size: 1rem;
    border: 2px solid var(--gray-medium);
    border-radius: 10px;
    transition: var(--transition-fast);
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--main-brown);
    box-shadow: 0 0 0 3px rgba(139, 111, 71, 0.1);
}

.input-group small {
    display: block;
    margin-top: 8px;
    color: var(--gray-dark);
    font-size: 0.85rem;
}

.btn-calculate {
    width: 100%;
    margin-top: 20px;
    padding: 18px;
    font-size: 1.2rem;
}

/* 계산 결과 */
.calculator-result-section {
    margin-top: 40px;
    padding-top: 40px;
    border-top: 3px solid var(--main-brown);
}

.result-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.result-card {
    background: linear-gradient(135deg, var(--gray-light), #F5F5F5);
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.result-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.result-card.total-pi {
    background: linear-gradient(135deg, #FFF9E6, #FFE5CC);
    border: 2px solid var(--main-brown);
}

.result-card.total-usd {
    background: linear-gradient(135deg, #E8F5E9, #C8E6C9);
}

.result-card.total-krw {
    background: linear-gradient(135deg, #E3F2FD, #BBDEFB);
}

.result-card.roi {
    background: linear-gradient(135deg, #F3E5F5, #E1BEE7);
}

.result-icon {
    font-size: 2.5rem;
    color: var(--main-brown);
    margin-bottom: 15px;
}

.result-label {
    display: block;
    font-size: 0.9rem;
    color: var(--gray-dark);
    margin-bottom: 10px;
}

.result-value {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--dark-brown);
    margin-bottom: 5px;
}

.result-unit {
    display: block;
    font-size: 0.85rem;
    color: var(--gray-dark);
}

/* 상세 내역 */
.result-breakdown {
    background: var(--gray-light);
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 30px;
}

.result-breakdown h4 {
    font-size: 1.3rem;
    color: var(--dark-brown);
    margin-bottom: 20px;
}

.breakdown-table {
    width: 100%;
    border-collapse: collapse;
}

.breakdown-table tr {
    border-bottom: 1px solid var(--gray-medium);
}

.breakdown-table td {
    padding: 15px 10px;
}

.breakdown-table td:first-child {
    color: var(--gray-dark);
}

.breakdown-table td:last-child {
    text-align: right;
    font-weight: 600;
    color: var(--dark-brown);
}

.breakdown-table .highlight-row {
    background: linear-gradient(135deg, #FFF9E6, #FFE5CC);
    border-left: 4px solid var(--main-brown);
}

.breakdown-table .highlight-row td {
    padding: 20px 10px;
}

/* 수익 극대화 팁 */
.result-tips {
    background: linear-gradient(135deg, #E8F5E9, #C8E6C9);
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 30px;
}

.result-tips h4 {
    font-size: 1.3rem;
    color: var(--dark-brown);
    margin-bottom: 20px;
}

.result-tips ul {
    list-style: none;
}

.result-tips li {
    padding: 12px 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.result-tips i {
    color: var(--accent-green);
    font-size: 1.2rem;
}

/* CTA 박스 */
.cta-box {
    text-align: center;
    padding: 30px;
    background: linear-gradient(135deg, var(--main-brown), var(--dark-brown));
    color: var(--white);
    border-radius: 15px;
}

.cta-box p {
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.cta-box .btn {
    background: var(--white);
    color: var(--main-brown);
}

.cta-box .btn:hover {
    transform: translateY(-3px);
}

/* 시나리오 비교 */
.scenario-comparison {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 40px;
}

.scenario-comparison h3 {
    font-size: 1.8rem;
    color: var(--dark-brown);
    text-align: center;
    margin-bottom: 10px;
}

.comparison-subtitle {
    text-align: center;
    color: var(--gray-dark);
    margin-bottom: 30px;
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.scenario-card {
    background: var(--gray-light);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.scenario-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.scenario-card.conservative .scenario-header {
    background: linear-gradient(135deg, #90CAF9, #64B5F6);
}

.scenario-card.moderate .scenario-header {
    background: linear-gradient(135deg, #81C784, #66BB6A);
}

.scenario-card.optimistic .scenario-header {
    background: linear-gradient(135deg, #FFB74D, #FFA726);
}

.scenario-header {
    padding: 25px;
    text-align: center;
    color: var(--white);
}

.scenario-header h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.scenario-price {
    display: block;
    font-size: 2rem;
    font-weight: 800;
}

.scenario-body {
    padding: 25px;
}

.scenario-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-medium);
}

.scenario-item:last-of-type {
    border-bottom: none;
}

.scenario-item span {
    color: var(--gray-dark);
}

.scenario-item strong {
    color: var(--dark-brown);
}

.scenario-roi {
    margin-top: 20px;
    padding: 15px;
    text-align: center;
    border-radius: 10px;
    font-weight: 700;
    font-size: 1.1rem;
}

.conservative-roi {
    background: #E3F2FD;
    color: #1976D2;
}

.moderate-roi {
    background: #E8F5E9;
    color: #388E3C;
}

.optimistic-roi {
    background: #FFF3E0;
    color: #F57C00;
}

/* 면책 조항 */
.disclaimer {
    background: #FFF3E0;
    padding: 25px;
    border-radius: 15px;
    border-left: 5px solid #FF9800;
}

.disclaimer h4 {
    color: #E65100;
    margin-bottom: 15px;
}

.disclaimer p {
    color: var(--gray-dark);
    line-height: 1.8;
    font-size: 0.9rem;
}

/* 반응형 */
@media (max-width: 768px) {
    .calculator-box {
        padding: 25px;
    }
    
    .result-summary {
        grid-template-columns: 1fr;
    }
    
    .comparison-grid {
        grid-template-columns: 1fr;
    }
    
    .result-value {
        font-size: 1.5rem;
    }
}

/* ═══════════════════════════════════════════════════════════
   상담 분야
   ═══════════════════════════════════════════════════════════ */
.consulting-section {
    padding: 80px 0;
    background: var(--white);
}

.consulting-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.consulting-card {
    background: var(--gray-light);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition-normal);
}

.consulting-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    background: linear-gradient(135deg, var(--light-brown), var(--gold-brown));
    color: var(--white);
}

.consulting-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--main-brown), var(--dark-brown));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.consulting-icon i {
    font-size: 2rem;
    color: var(--white);
}

.consulting-card h3 {
    font-size: 1.3rem;
    color: var(--dark-brown);
    margin-bottom: 10px;
}

.consulting-card:hover h3,
.consulting-card:hover p {
    color: var(--white);
}

/* ═══════════════════════════════════════════════════════════
   수소수 섹션
   ═══════════════════════════════════════════════════════════ */
.hydrogen-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #E3F2FD, #BBDEFB);
}

.hydrogen-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.hydrogen-card {
    background: var(--white);
    padding: 40px;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
}

.hydrogen-card h3 {
    font-size: 1.5rem;
    color: var(--dark-brown);
    margin-bottom: 20px;
}

.hydrogen-card ul {
    list-style: none;
    margin-bottom: 25px;
}

.hydrogen-card li {
    padding: 10px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.hydrogen-card i {
    color: var(--accent-blue);
}

/* ═══════════════════════════════════════════════════════════
   연락처
   ═══════════════════════════════════════════════════════════ */
.contact-section {
    padding: 80px 0;
    background: var(--cream-bg);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.contact-card {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.contact-card i {
    font-size: 3rem;
    color: var(--main-brown);
    margin-bottom: 15px;
}

.contact-card h3 {
    font-size: 1.3rem;
    color: var(--dark-brown);
    margin-bottom: 10px;
}

.contact-card p {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.contact-card a {
    color: var(--main-brown);
    text-decoration: none;
    font-weight: 700;
}

.contact-card a:hover {
    text-decoration: underline;
}

.contact-card small {
    font-size: 0.85rem;
    color: var(--gray-dark);
}

.contact-notice {
    background: var(--white);
    padding: 25px;
    border-radius: 12px;
    margin-top: 30px;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.contact-notice i {
    color: var(--accent-blue);
    margin-right: 8px;
}

/* ═══════════════════════════════════════════════════════════
   Footer
   ═══════════════════════════════════════════════════════════ */
.footer {
    background: linear-gradient(135deg, var(--dark-brown), var(--main-brown));
    color: var(--white);
    padding: 40px 0 20px;
}

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

.footer-logo h3 {
    font-family: var(--font-hanja);
    font-size: 2rem;
    margin-bottom: 10px;
}

.footer-slogan {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: var(--text-brown);
    font-style: italic;
}

.footer-info {
    font-size: 0.9rem;
    line-height: 1.8;
}

.footer-note {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

/* ═══════════════════════════════════════════════════════════
   플로팅 버튼
   ═══════════════════════════════════════════════════════════ */
.floating-buttons {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 900;
}

.floating-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--main-brown), var(--dark-brown));
    color: var(--white);
    border: none;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
}

.floating-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.floating-btn i {
    font-size: 1.5rem;
}

.chatbot-btn {
    background: linear-gradient(135deg, var(--accent-blue), #1976D2);
}

.phone-btn {
    background: linear-gradient(135deg, var(--accent-green), #388E3C);
}

.scroll-top-btn {
    display: none;
}

.scroll-top-btn.show {
    display: flex;
}

/* ═══════════════════════════════════════════════════════════
   AI 챗봇
   ═══════════════════════════════════════════════════════════ */
.chatbot-widget {
    position: fixed;
    bottom: 110px;
    right: 30px;
    width: 350px;
    max-height: 500px;
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
    display: none;
    flex-direction: column;
    z-index: 901;
    overflow: hidden;
}

.chatbot-widget.active {
    display: flex;
}

.chatbot-header {
    background: linear-gradient(135deg, var(--accent-blue), #1976D2);
    color: var(--white);
    padding: 15px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.chatbot-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
}

.chatbot-close {
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.3rem;
    cursor: pointer;
}

.chatbot-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    max-height: 350px;
}

.bot-message,
.user-message {
    margin-bottom: 15px;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.bot-message .message-content {
    background: var(--gray-light);
    padding: 12px 15px;
    border-radius: 12px 12px 12px 0;
    display: inline-block;
    max-width: 80%;
}

.user-message .message-content {
    background: linear-gradient(135deg, var(--main-brown), var(--dark-brown));
    color: var(--white);
    padding: 12px 15px;
    border-radius: 12px 12px 0 12px;
    display: inline-block;
    max-width: 80%;
    float: right;
    clear: both;
}

.chatbot-input-wrapper {
    display: flex;
    gap: 10px;
    padding: 15px;
    border-top: 1px solid var(--gray-light);
}

.chatbot-input {
    flex: 1;
    padding: 10px 15px;
    border: 1px solid var(--gray-medium);
    border-radius: 20px;
    font-size: 0.95rem;
    outline: none;
}

.chatbot-input:focus {
    border-color: var(--accent-blue);
}

.chatbot-send {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-blue), #1976D2);
    color: var(--white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.chatbot-send:hover {
    transform: scale(1.1);
}

/* ═══════════════════════════════════════════════════════════
   반응형 (모바일)
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
    /* 네비게이션 */
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    /* Hero */
    .hero {
        padding: 50px 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    /* Section */
    .section-title {
        font-size: 1.8rem;
    }
    
    /* 가격 전망 */
    .price-info {
        flex-direction: column;
    }
    
    .prediction-cards {
        grid-template-columns: 1fr;
    }
    
    .conclusion-values {
        flex-direction: column;
        gap: 20px;
    }
    
    .growth-table {
        font-size: 0.85rem;
    }
    
    .growth-table th,
    .growth-table td {
        padding: 10px 5px;
    }
    
    /* 게송 */
    .poem-box {
        padding: 20px;
    }
    
    .poem-verse .hanja {
        font-size: 1.4rem;
    }
    
    /* 플로팅 버튼 */
    .floating-buttons {
        bottom: 20px;
        right: 20px;
    }
    
    .floating-btn {
        width: 50px;
        height: 50px;
    }
    
    /* 챗봇 */
    .chatbot-widget {
        width: calc(100% - 40px);
        right: 20px;
        bottom: 90px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.6rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .btn-lg {
        padding: 12px 25px;
        font-size: 1rem;
    }
}