:root {
    --primary: #000000;
    --accent: #FFB400;
    --accent-dark: #E6A200;
    --text-main: #222222;
    --text-muted: #666666;
    --bg-light: #F8F9FA;
    --white: #FFFFFF;
    --container-width: 1100px;
    --header-height: 70px;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
    font-family: 'Noto Sans KR', 'Inter', sans-serif;
    color: var(--text-main);
    line-height: 1.6;
    background-color: var(--white);
    overflow-x: hidden;
}

ul { list-style: none; }
a { text-decoration: none; color: inherit; }

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    padding: 16px 32px;
    border-radius: 8px;
    font-weight: 700;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.1rem;
    border: none;
}

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

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

.btn-accent:hover {
    background-color: var(--accent-dark);
    transform: translateY(-2px);
}

.full-width { width: 100%; }

/* Header */
.header {
    height: var(--header-height);
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid #eee;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.logo span {
    color: var(--accent);
}

.header-right {
    display: flex;
    gap: 10px;
}

.header-btn {
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
}

.header-btn.tel {
    background-color: #f0f0f0;
}

.header-btn.kakao {
    background-color: #FEE500;
    color: #3C1E1E;
}

/* Hero */
.hero {
    padding: calc(var(--header-height) + 100px) 0 120px;
    text-align: center;
    color: var(--white);
    background-size: cover;
    background-position: center;
    position: relative;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 20px;
    font-weight: 800;
}

.hero h1 .highlight {
    color: var(--accent);
}

.hero p {
    font-size: 1.4rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
}

/* Specialty */
.specialty {
    padding: 100px 20px;
}

.specialty-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

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

.specialty-item .img-box {
    width: 100%;
    height: 300px;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 20px;
}

.specialty-item .img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.specialty-item:hover .img-box img {
    transform: scale(1.1);
}

.specialty-item h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--primary);
}

/* Comparison */
.comparison {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 60px;
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.comparison-card {
    padding: 50px;
    border-radius: 20px;
    text-align: center;
}

.comparison-card.revalue {
    background-color: var(--primary);
    color: var(--white);
    transform: scale(1.05);
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.comparison-card.competitor {
    background-color: var(--bg-light);
    border: 1px solid #ddd;
}

.comparison-card h3 {
    font-size: 1.4rem;
    margin-bottom: 20px;
}

.comparison-card .price {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 30px;
    color: var(--accent);
}

.comparison-card.competitor .price {
    color: #999;
    text-decoration: line-through;
}

.comparison-card .features {
    text-align: left;
    display: inline-block;
}

.comparison-card .features li {
    margin-bottom: 12px;
}

/* Form Section */
.form-section {
    padding: 100px 0;
    background-color: #000;
    color: var(--white);
}

.form-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
    align-items: center;
    background-color: #111;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid #222;
}

.form-image {
    height: 100%;
    min-height: 500px;
}

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

.form-box {
    padding: 60px;
}

.form-header {
    text-align: center;
    margin-bottom: 40px;
}

.form-header h2 {
    font-size: 2.5rem;
    color: var(--accent);
}

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

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 700;
    font-size: 0.9rem;
}

.input-group input, .input-group select {
    width: 100%;
    padding: 15px;
    border-radius: 6px;
    border: 1px solid #444;
    background-color: #111;
    color: #fff;
}

.form-notice {
    font-size: 0.8rem;
    color: #888;
    text-align: center;
    margin-top: 15px;
}

/* Footer */
.footer {
    padding: 60px 0 120px;
    border-top: 1px solid #eee;
    color: var(--text-muted);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-logo {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--primary);
}

.footer-logo span { color: var(--accent); }

/* Mobile Sticky */
.mobile-sticky {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    display: flex;
    z-index: 1000;
}

.sticky-btn {
    flex: 1;
    padding: 20px;
    text-align: center;
    font-weight: 800;
    font-size: 1.1rem;
}

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

.sticky-btn.quote {
    background-color: var(--accent);
    color: var(--primary);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.2rem; }
    .comparison-grid { grid-template-columns: 1fr; }
    .comparison-card.revalue { transform: none; }
    .process-steps { grid-template-columns: 1fr; }
    .brand-list { grid-template-columns: 1fr 1fr; }
    .input-row { grid-template-columns: 1fr; }
    .footer-top { flex-direction: column; gap: 20px; }
}