/* ===========================================
   JKS 풀잎클린 - 입주청소 전문 홈페이지
   Author: Web Developer
   Version: 1.0
   =========================================== */

/* ===========================================
   1. 기본 설정
   =========================================== */
:root {
    /* 브랜드 컬러 - 쨍하고 비비드한 하늘색 */
    --primary-color: #00b0ff;  /* 네온 사이버 블루 */
    --primary-dark: #0081cc;
    --primary-light: #33d1ff;
    --secondary-color: #00d4ff;  /* 비비드 스카이블루 */
    --accent-color: #00e5ff;
    
    /* 중성 컬러 */
    --white: #ffffff;
    --black: #000000;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #0a0a0a;
    
    /* 기능 컬러 - 선명하게 */
    --success: #26c6da;
    --warning: #ff9f00;
    --error: #ff3347;
    --info: #29b6f6;
    
    /* 그림자 - 더 진하고 선명하게 */
    --shadow-sm: 0 2px 4px 0 rgba(0, 0, 0, 0.12);
    --shadow: 0 4px 8px -1px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 12px 20px -3px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 20px 30px -5px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 30px 60px -12px rgba(0, 0, 0, 0.4);
    
    /* 트랜지션 */
    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
    --transition-slow: all 0.5s ease;
    
    /* 폰트 */
    --font-primary: 'Noto Sans KR', sans-serif;
}

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

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

body {
    font-family: var(--font-primary);
    line-height: 1.7;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
}

/* ===========================================
   2. 타이포그래피
   =========================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: var(--gray-600);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

/* ===========================================
   3. 컨테이너 & 레이아웃
   =========================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

/* ===========================================
   4. 버튼
   =========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn i {
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    box-shadow: 0 6px 25px rgba(0, 176, 255, 0.6);
    font-weight: 700;
    border: none;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    transform: translateY(-8px) scale(1.08);
    box-shadow: 0 20px 50px rgba(0, 176, 255, 0.9);
}

.btn-primary:hover i {
    animation: phoneRing 0.5s ease infinite;
}

@keyframes phoneRing {
    0%, 100% { transform: rotate(0deg); }
    10%, 30%, 50%, 70% { transform: rotate(-15deg); }
    20%, 40%, 60%, 80% { transform: rotate(15deg); }
    90% { transform: rotate(0deg); }
}

.btn-primary:active {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 20px rgba(0, 176, 255, 0.6);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-color);
    border: 3px solid var(--primary-color);
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(0, 176, 255, 0.3);
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-light);
    transform: translateY(-8px) scale(1.08);
    box-shadow: 0 20px 50px rgba(0, 176, 255, 0.9);
}

.btn-secondary:hover i {
    animation: calculatorBounce 0.6s ease;
}

@keyframes calculatorBounce {
    0%, 100% { transform: translateY(0) scale(1); }
    25% { transform: translateY(-8px) scale(1.2); }
    50% { transform: translateY(0) scale(1); }
    75% { transform: translateY(-4px) scale(1.1); }
}

.btn-secondary:active {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 6px 20px rgba(0, 176, 255, 0.5);
}

.btn-primary:active {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 20px rgba(0, 176, 255, 0.6);
}

.btn-secondary:active {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 6px 20px rgba(0, 176, 255, 0.5);
}

.btn-primary:focus,
.btn-secondary:focus {
    outline: none;
    box-shadow: 0 0 0 4px rgba(0, 176, 255, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.btn-lg {
    padding: 16px 32px;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
}

/* ===========================================
   5. 플로팅 버튼
   =========================================== */
.floating-buttons {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.floating-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--white);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.phone-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    box-shadow: 0 8px 30px rgba(0, 176, 255, 0.6);
}

.quote-btn {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.6);
}

.floating-btn:hover {
    transform: scale(1.1) translateY(-3px);
    box-shadow: var(--shadow-xl);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(0, 217, 163, 0.8);
    }
    50% {
        box-shadow: 0 0 0 20px rgba(0, 217, 163, 0);
    }
}

/* ===========================================
   6. 상단 고정 바
   =========================================== */
.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    z-index: 1000;
    padding: 10px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

.top-bar-left {
    display: flex;
    gap: 30px;
}

.top-bar-item {
    display: flex;
    align-items: center;
    gap: 8px;
    opacity: 0.95;
}

.top-bar-item i {
    font-size: 0.875rem;
}

.top-bar-right {
    display: flex;
    align-items: center;
}

.top-bar-phone {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--white);
    font-weight: 700;
    font-size: 1.1rem;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    transition: var(--transition);
    animation: pulse-phone 2s infinite;
}

.top-bar-phone:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

.top-bar-phone i {
    font-size: 1rem;
}

.phone-number {
    letter-spacing: 0.5px;
}

@keyframes pulse-phone {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.4);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(255, 255, 255, 0);
    }
}

/* ===========================================
   6. 헤더 & 네비게이션
   =========================================== */
.header {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    z-index: 9999 !important;
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transform: none !important;
    margin: 0 !important;
    padding: 0 !important;
}

.header.scrolled {
    box-shadow: var(--shadow-md);
    top: 0 !important;
    transform: none !important;
}

.navbar {
    padding: 20px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo i {
    font-size: 2.25rem;
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 28px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    font-size: 1.25rem;
    font-weight: 700;
    border-radius: 50px;
    transition: var(--transition);
    box-shadow: 0 6px 25px rgba(0, 176, 255, 0.6);
}

.header-phone:hover {
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    transform: translateY(-3px);
    box-shadow: 0 10px 35px rgba(51, 209, 255, 0.7);
}

.header-phone i {
    font-size: 1.25rem;
    animation: ring 2s ease-in-out infinite;
}

@keyframes ring {
    0%, 100% { transform: rotate(0deg); }
    10%, 30% { transform: rotate(-10deg); }
    20%, 40% { transform: rotate(10deg); }
}

/* ===========================================
   7. 히어로 섹션
   =========================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #5b9279;
    background-image: url('https://sspark.genspark.ai/cfimages?u1=YynBT1lDUMex5xDDZo%2BS%2F%2BYwhRY9DyaJDjzv3BepcPu0LRTFzlhHkOrB2HjQKj6FvSNKWPSCdgX%2FbvAmshle7Foey3gYwfSOZzCCd1fSgicc8Q%3D%3D&u2=LPN5GWdDuhdEEKbU&width=2560');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    padding-top: 125px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    text-align: center;
    color: var(--gray-900);
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    border-radius: 50px;
    font-weight: 700;
    margin-bottom: 20px;
    animation: fadeInDown 1s ease;
    box-shadow: 0 8px 30px rgba(0, 176, 255, 0.7);
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 20px;
    line-height: 1.3;
    animation: fadeInUp 1s ease 0.2s both;
    color: #ffffff;
    text-shadow: 
        3px 3px 8px rgba(0, 0, 0, 0.8),
        -1px -1px 3px rgba(0, 0, 0, 0.6),
        0 0 40px rgba(0, 176, 255, 0.9);
    letter-spacing: -0.5px;
}

.hero-title .highlight {
    color: #00e5ff;
    position: relative;
    display: inline-block;
    font-weight: 900;
    text-shadow: 
        3px 3px 8px rgba(0, 0, 0, 0.8),
        -1px -1px 3px rgba(0, 0, 0, 0.6),
        0 0 50px rgba(0, 229, 255, 1),
        0 0 80px rgba(0, 176, 255, 0.8);
}

.hero-subtitle {
    font-size: 1.35rem;
    line-height: 1.8;
    margin-bottom: 30px;
    animation: fadeInUp 1s ease 0.4s both;
    color: #ffffff;
    font-weight: 600;
    text-shadow: 
        2px 2px 6px rgba(0, 0, 0, 0.8),
        0 0 30px rgba(0, 176, 255, 0.6);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin: 40px 0;
    animation: fadeInUp 1s ease 0.6s both;
}

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

.stat-number {
    font-size: 3.5rem;
    font-weight: 900;
    color: #00e5ff;
    margin-bottom: 8px;
    text-shadow: 
        2px 2px 6px rgba(0, 0, 0, 0.8),
        0 0 40px rgba(0, 229, 255, 1),
        0 0 60px rgba(0, 176, 255, 0.9);
}

.stat-label {
    font-size: 1.125rem;
    color: #ffffff;
    font-weight: 700;
    text-shadow: 
        2px 2px 5px rgba(0, 0, 0, 0.8),
        0 0 20px rgba(0, 176, 255, 0.6);
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.8s both;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--gray-600);
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    display: block;
    font-size: 0.875rem;
    margin-bottom: 8px;
    opacity: 0.8;
}

.scroll-indicator i {
    font-size: 1.5rem;
}

/* ===========================================
   8. 섹션 헤더
   =========================================== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-badge {
    display: inline-block;
    padding: 8px 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    border-radius: 50px;
    margin-bottom: 15px;
    box-shadow: 0 4px 15px rgba(0, 176, 255, 0.4);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--gray-900);
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* ===========================================
   9. 서비스 섹션
   =========================================== */
.services {
    background: var(--gray-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: var(--transition);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service-card.featured {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    transform: scale(1.05);
}

.service-card.featured .service-title,
.service-card.featured .service-desc,
.service-card.featured .service-list li {
    color: var(--white);
}

.service-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--warning);
    color: var(--white);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
}

.service-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    font-size: 2.5rem;
    border-radius: 20px;
    margin-bottom: 25px;
    transition: var(--transition);
    box-shadow: 0 6px 20px rgba(0, 176, 255, 0.5);
}

.service-card.featured .service-icon {
    background: var(--white);
    color: var(--primary-color);
}

.service-card:hover .service-icon {
    transform: rotateY(360deg);
}

.service-title {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.service-desc {
    font-size: 1rem;
    margin-bottom: 20px;
    line-height: 1.6;
}

.service-list {
    margin-bottom: 25px;
}

.service-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    color: var(--gray-600);
}

.service-list li i {
    color: var(--primary-color);
    font-size: 1.125rem;
}

.service-card.featured .service-list li i {
    color: var(--white);
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    font-weight: 600;
    transition: var(--transition);
}

.service-card.featured .service-link {
    color: var(--white);
}

.service-link:hover {
    gap: 12px;
}

/* ===========================================
   10. 차별화 포인트 섹션
   =========================================== */
.features {
    background: var(--white);
}

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

.feature-card {
    text-align: center;
    padding: 40px 30px;
    background: var(--gray-50);
    border-radius: 16px;
    transition: var(--transition);
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    font-size: 2.5rem;
    border-radius: 50%;
    margin: 0 auto 20px;
    transition: var(--transition);
    box-shadow: 0 6px 20px rgba(0, 176, 255, 0.55);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(10deg);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ===========================================
   11. 포트폴리오 섹션
   =========================================== */
.portfolio {
    background: var(--gray-50);
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 50px;
}

.filter-btn {
    padding: 10px 24px;
    background: var(--white);
    color: var(--gray-700);
    border: 2px solid var(--gray-200);
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    border-color: var(--primary-color);
}

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

.portfolio-item {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.portfolio-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.before-after-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.before, .after {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.before img, .after img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.after {
    clip-path: inset(0 50% 0 0);
    transition: var(--transition);
}

.portfolio-item:hover .after {
    clip-path: inset(0 0 0 0);
}

.label {
    position: absolute;
    top: 15px;
    padding: 6px 15px;
    background: rgba(0, 0, 0, 0.7);
    color: var(--white);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 20px;
}

.before .label {
    left: 15px;
}

.after .label {
    right: 15px;
}

.portfolio-info {
    padding: 25px;
}

.portfolio-info h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
}

.portfolio-info p {
    color: var(--gray-600);
    font-size: 0.95rem;
}

.portfolio-info i {
    color: var(--primary-color);
    margin-right: 5px;
}

/* ===========================================
   12. 요금 안내 섹션
   =========================================== */
.pricing {
    background: var(--white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.pricing-card {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
    position: relative;
}

.pricing-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    border-color: var(--primary-color);
    transform: scale(1.08);
    box-shadow: 0 10px 40px rgba(0, 176, 255, 0.6);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #ff9f00, #ff7700);
    color: var(--white);
    padding: 8px 24px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(255, 159, 0, 0.4);
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.pricing-card.featured .pricing-header h3 {
    color: var(--white);
}

.price {
    margin-bottom: 30px;
}

.amount {
    font-size: 3rem;
    font-weight: 900;
    color: var(--primary-color);
}

.pricing-card.featured .amount {
    color: var(--white);
}

.currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-600);
}

.pricing-card.featured .currency {
    color: var(--white);
}

.pricing-features {
    margin-bottom: 30px;
    text-align: left;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 0;
    color: var(--gray-700);
    border-bottom: 1px solid var(--gray-100);
}

.pricing-card.featured .pricing-features li {
    color: var(--white);
    border-bottom-color: rgba(255, 255, 255, 0.2);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li i {
    color: var(--primary-color);
    font-size: 1.125rem;
}

.pricing-card.featured .pricing-features li i {
    color: var(--white);
}

.pricing-note {
    background: var(--gray-50);
    padding: 30px;
    border-radius: 16px;
    border-left: 4px solid var(--primary-color);
    margin-bottom: 30px;
}

.note-content {
    display: flex;
    gap: 20px;
}

.note-content i {
    font-size: 2rem;
    color: var(--primary-color);
}

.note-content strong {
    color: var(--gray-900);
    font-size: 1.125rem;
}

.note-content ul {
    margin: 15px 0;
}

.note-content li {
    padding: 5px 0;
    color: var(--gray-700);
}

.note-content .warning {
    color: var(--error);
    font-weight: 600;
    margin-top: 10px;
}

.discount-banner {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.discount-content {
    display: flex;
    align-items: center;
    gap: 20px;
}

.discount-content i {
    font-size: 3rem;
}

.discount-content h3 {
    color: var(--white);
    margin-bottom: 10px;
}

.discount-content p {
    color: var(--white);
    opacity: 0.95;
}

/* ===========================================
   13. 고객 후기 섹션
   =========================================== */
.reviews {
    background: var(--gray-50);
}

.reviews-stats {
    text-align: center;
    margin-bottom: 50px;
}

.stats-card {
    display: inline-block;
    background: var(--white);
    padding: 40px 60px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.stats-number {
    font-size: 4rem;
    font-weight: 900;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stats-stars {
    font-size: 2rem;
    color: var(--warning);
    margin-bottom: 15px;
}

.stats-card p {
    color: var(--gray-600);
    font-size: 1.125rem;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.review-card {
    background: var(--white);
    padding: 30px;
    border-radius: 16px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
}

.reviewer-info {
    display: flex;
    gap: 15px;
}

.reviewer-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.reviewer-info h4 {
    font-size: 1.125rem;
    margin-bottom: 5px;
}

.review-stars {
    color: var(--warning);
    font-size: 0.875rem;
}

/* .review-date {
    color: var(--gray-500);
    font-size: 0.875rem;
} */

.review-text {
    color: var(--gray-700);
    line-height: 1.7;
    margin-bottom: 20px;
}

.review-meta {
    padding-top: 15px;
    border-top: 1px solid var(--gray-100);
}

.review-service {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    font-size: 0.95rem;
    font-weight: 600;
}

/* ===========================================
   14. 회사 소개 섹션
   =========================================== */
.about {
    background: var(--white);
}

.about-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-badge {
    position: absolute;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    padding: 20px 30px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 10px 40px rgba(0, 176, 255, 0.6);
}

.about-badge i {
    font-size: 2rem;
}

.about-badge span {
    font-size: 1.25rem;
    font-weight: 700;
}

.about-content h2 {
    margin-bottom: 30px;
}

.about-text {
    margin-bottom: 30px;
}

.about-text p {
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 15px;
}

.about-certifications,
.about-equipment {
    margin-bottom: 30px;
}

.about-certifications h3,
.about-equipment h3 {
    font-size: 1.25rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-color);
}

.about-certifications ul li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    color: var(--gray-700);
}

.about-certifications ul li i {
    color: var(--primary-color);
    font-size: 1.125rem;
}

.equipment-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.equipment-tags span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: 50px;
    font-size: 0.95rem;
    color: var(--gray-700);
    transition: var(--transition);
}

.equipment-tags span:hover {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.equipment-tags span i {
    color: var(--primary-color);
}

.equipment-tags span:hover i {
    color: var(--white);
}

/* ===========================================
   15. FAQ 섹션
   =========================================== */
.faq {
    background: var(--gray-50);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: 12px;
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 30px;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--gray-50);
}

.faq-question h3 {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.125rem;
    margin: 0;
}

.faq-question h3 i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.faq-question > i {
    color: var(--primary-color);
    font-size: 1.25rem;
    transition: var(--transition);
}

.faq-item.active .faq-question > i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: var(--transition-slow);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 30px 25px;
    color: var(--gray-700);
    line-height: 1.8;
}

/* ===========================================
   16. 견적 문의 섹션
   =========================================== */
.contact {
    background: var(--white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
}

.contact-info h3 {
    font-size: 1.75rem;
    margin-bottom: 15px;
}

.contact-info > p {
    margin-bottom: 30px;
    color: var(--gray-600);
}

.contact-methods {
    margin-bottom: 40px;
}

.contact-method {
    display: flex;
    gap: 20px;
    padding: 25px;
    background: var(--gray-50);
    border-radius: 12px;
    margin-bottom: 20px;
    transition: var(--transition);
}

.contact-method:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
}

.method-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    font-size: 1.75rem;
    border-radius: 12px;
    flex-shrink: 0;
}

.method-content h4 {
    font-size: 1.125rem;
    margin-bottom: 8px;
}

.method-content a {
    display: block;
    color: var(--primary-color);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.method-content p {
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.5;
}

.text-link {
    color: var(--primary-color);
    font-weight: 600;
}

.text-link:hover {
    text-decoration: underline;
}

.contact-benefits {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    padding: 25px;
    border-radius: 12px;
}

.contact-benefits h4 {
    color: var(--white);
    font-size: 1.125rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-benefits ul li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    color: var(--white);
}

.contact-benefits ul li i {
    font-size: 1.125rem;
}

/* 견적 신청 폼 */
.quote-form-wrapper {
    background: var(--gray-50);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.quote-form h3 {
    font-size: 1.75rem;
    margin-bottom: 30px;
    text-align: center;
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 8px;
}

.required {
    color: var(--error);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.1);
}

.checkbox-group {
    display: grid;
    gap: 10px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.checkbox-label:hover {
    border-color: var(--primary-color);
    background: var(--gray-50);
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.form-note {
    text-align: center;
    color: var(--gray-600);
    font-size: 0.95rem;
    margin-top: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.form-note i {
    color: var(--primary-color);
}

/* ===========================================
   17. 푸터
   =========================================== */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.footer-logo i {
    font-size: 2rem;
}

.footer-desc {
    color: var(--gray-400);
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-800);
    color: var(--gray-300);
    border-radius: 8px;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
}

.footer-section h4 {
    color: var(--white);
    font-size: 1.125rem;
    margin-bottom: 20px;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--gray-400);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    color: var(--gray-400);
}

.footer-contact i {
    color: var(--primary-color);
    font-size: 1.125rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--gray-800);
    color: var(--gray-500);
    font-size: 0.95rem;
}

.footer-bottom p {
    margin-bottom: 5px;
}

/* ===========================================
   18. 애니메이션
   =========================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ===========================================
   19. 반응형 디자인
   =========================================== */

/* 태블릿 (768px - 1024px) */
@media (max-width: 1024px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        gap: 40px;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .about-wrapper {
        grid-template-columns: 1fr;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .nav-menu {
        gap: 20px;
    }
}

/* 모바일 (최대 768px) */
@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }
    
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    
    .section-title {
        font-size: 2rem;
    }
    
    /* 헤더 */
    .header {
        top: 0;
    }
    
    .navbar {
        padding: 15px 0;
    }
    
    .logo {
        font-size: 1.25rem;
    }
    
    .logo i {
        font-size: 1.75rem;
    }
    
    .header-phone {
        font-size: 1rem;
        padding: 10px 20px;
        gap: 8px;
    }
    
    .header-phone span {
        display: inline;
    }
    
    /* 히어로 */
    .hero {
        min-height: 90vh;
        padding-top: 100px;
    }
    
    .hero-title {
        font-size: 2.25rem;
        text-shadow: 
            2px 2px 6px rgba(255, 255, 255, 0.95),
            -1px -1px 2px rgba(255, 255, 255, 0.9);
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
        font-weight: 500;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    /* 그리드 레이아웃 */
    .services-grid,
    .features-grid,
    .portfolio-grid,
    .pricing-grid,
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card.featured {
        transform: scale(1);
    }
    
    /* 포트폴리오 필터 */
    .portfolio-filters {
        gap: 10px;
    }
    
    .filter-btn {
        padding: 8px 16px;
        font-size: 0.875rem;
    }
    
    /* 요금 카드 */
    .pricing-card.featured {
        transform: scale(1);
    }
    
    /* 폼 */
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .quote-form-wrapper {
        padding: 30px 20px;
    }
    
    /* 할인 배너 */
    .discount-content {
        flex-direction: column;
        text-align: center;
    }
    
    /* 푸터 */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    /* 플로팅 버튼 */
    .floating-buttons {
        bottom: 20px;
        right: 20px;
    }
    
    .floating-btn {
        width: 55px;
        height: 55px;
        font-size: 20px;
    }
}

/* 작은 모바일 (최대 480px) */
@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .logo {
        font-size: 1.125rem;
    }
    
    .logo i {
        font-size: 1.5rem;
    }
    
    .header-phone {
        font-size: 0.95rem;
        padding: 8px 16px;
    }
    
    .header-phone span {
        display: none;
    }
    
    .header-phone i {
        font-size: 1.125rem;
    }
    
    .hero-title {
        font-size: 1.85rem;
        text-shadow: 
            2px 2px 6px rgba(255, 255, 255, 0.95),
            -1px -1px 2px rgba(255, 255, 255, 0.9);
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .btn-lg {
        padding: 14px 24px;
        font-size: 1rem;
    }
    
    .about-badge {
        bottom: 20px;
        right: 20px;
        padding: 15px 20px;
    }
    
    .about-badge i {
        font-size: 1.5rem;
    }
    
    .about-badge span {
        font-size: 1rem;
    }
}