/* ==========================================
   아산탕정자이 공식 스타일 CSS
   - 다크 네이비 + 골드 컬러 스킴
   - 굵고 임팩트 있는 폰트
   - 프리미엄 느낌
========================================== */

/* ==========================================
   Reset & Base Styles
========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

:root {
    /* Colors - Dark Navy & Gold */
    --primary-dark: #0a1929;
    --primary-navy: #1a2332;
    --secondary-navy: #2c3e50;
    --gold: #d4af37;
    --gold-light: #f4d03f;
    --gold-dark: #c19a2e;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --medium-gray: #6c757d;
    --dark-gray: #343a40;
    --overlay: rgba(10, 25, 41, 0.85);
    
    /* Typography */
    --font-main: 'Noto Sans KR', sans-serif;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
    margin: 0;
    padding: 0;
    position: relative;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
    box-sizing: border-box;
}

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

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

button {
    cursor: pointer;
    border: none;
    outline: none;
    font-family: var(--font-main);
}

/* ==========================================
   Header Styles
========================================== */
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(10, 25, 41, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

#header.scrolled {
    background-color: var(--primary-dark);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 0;
    gap: 20px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.logo {
    font-size: 24px;
    font-weight: 900;
    color: var(--gold);
    letter-spacing: -1px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    white-space: nowrap;
}

.header-phone {
    font-size: 16px;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
    padding: 6px 16px;
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    border-radius: 20px;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
    white-space: nowrap;
}

.header-phone:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.5);
    background: linear-gradient(135deg, var(--gold-light), var(--gold));
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 28px;
}

.nav a {
    color: var(--white);
    font-weight: 700;
    font-size: 15px;
    letter-spacing: -0.5px;
    padding: 10px 0;
    position: relative;
    transition: var(--transition);
    white-space: nowrap;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--gold), var(--gold-light));
    transition: var(--transition);
}

.nav a:hover,
.nav a.active {
    color: var(--gold);
}

.nav a:hover::after,
.nav a.active::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: transparent;
    padding: 10px;
}

.mobile-menu-btn span {
    width: 30px;
    height: 3px;
    background-color: var(--gold);
    transition: var(--transition);
    border-radius: 2px;
}

/* ==========================================
   Hero Section
========================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-navy) 100%);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow: hidden;
    width: 100%;
    max-width: 100vw;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(212, 175, 55, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        to bottom,
        rgba(10, 25, 41, 0.7) 0%,
        rgba(10, 25, 41, 0.8) 50%,
        rgba(10, 25, 41, 0.9) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: var(--white);
    padding: 0 20px;
}

.hero-title {
    font-size: 80px;
    font-weight: 900;
    color: var(--gold);
    margin-bottom: 20px;
    letter-spacing: -2px;
    text-shadow: 4px 4px 8px rgba(0, 0, 0, 0.5);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 32px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 30px;
    letter-spacing: 8px;
    text-transform: uppercase;
}

.hero-description {
    font-size: 22px;
    font-weight: 500;
    color: var(--light-gray);
    margin-bottom: 50px;
    line-height: 1.8;
}

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

/* ==========================================
   Button Styles
========================================== */
.btn {
    display: inline-block;
    padding: 18px 45px;
    font-size: 18px;
    font-weight: 700;
    border-radius: 50px;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-primary {
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
    color: var(--primary-dark);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 3px solid var(--gold);
}

.btn-secondary:hover {
    background: var(--gold);
    color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.4);
}

.btn-submit {
    width: 100%;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-navy) 100%);
    color: var(--gold);
    font-size: 20px;
    padding: 20px;
    margin-top: 20px;
}

.btn-submit:hover {
    background: linear-gradient(135deg, var(--secondary-navy) 0%, var(--primary-dark) 100%);
    box-shadow: 0 8px 25px rgba(10, 25, 41, 0.4);
}

/* ==========================================
   Section Styles
========================================== */
section {
    padding: 80px 0;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

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

.section-title {
    font-size: 46px;
    font-weight: 900;
    color: var(--primary-dark);
    margin-bottom: 15px;
    letter-spacing: -1px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 5px;
    background: linear-gradient(90deg, var(--gold), var(--gold-light));
    border-radius: 3px;
}

.section-subtitle {
    font-size: 22px;
    font-weight: 500;
    color: var(--medium-gray);
    margin-top: 30px;
}

/* ==========================================
   Overview Section
========================================== */
.overview {
    background: linear-gradient(to bottom, var(--light-gray), var(--white));
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 35px;
    max-width: 1200px;
    margin: 0 auto;
}

.overview-card {
    background: var(--white);
    padding: 35px 25px;
    border-radius: 20px;
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    border: 2px solid transparent;
}

.overview-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    border-color: var(--gold);
}

.card-icon {
    font-size: 50px;
    margin-bottom: 18px;
}

.overview-card h3 {
    font-size: 26px;
    font-weight: 900;
    color: var(--primary-dark);
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.overview-card p {
    font-size: 17px;
    font-weight: 500;
    color: var(--medium-gray);
    line-height: 1.8;
}

/* ==========================================
   First City & Central City Sections
========================================== */
.first-city {
    background: var(--white);
}

.central-city {
    background: linear-gradient(to bottom, var(--light-gray), var(--white));
}

/* First City & Central City Images */
.first-city-image,
.central-city-image {
    margin: 40px 0;
    text-align: center;
    background: var(--white);
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 3px solid var(--gold);
    transition: var(--transition);
}

.first-city-image:hover,
.central-city-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(212, 175, 55, 0.3);
    border-color: var(--gold-light);
}

.first-city-image img,
.central-city-image img {
    width: 100%;
    height: auto;
    border-radius: 15px;
    margin: 0 auto;
    display: block;
    transition: var(--transition);
}

.first-city-image img:hover,
.central-city-image img:hover {
    transform: scale(1.02);
}

.image-caption {
    margin-top: 20px;
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-dark);
    letter-spacing: -0.5px;
}

/* Floor Plan Section */
.floor-plan-section {
    background: var(--light-gray);
    padding: 60px;
    border-radius: 20px;
    margin-top: 60px;
}

.floor-plan-section h3 {
    font-size: 36px;
    font-weight: 900;
    color: var(--primary-dark);
    text-align: center;
    margin-bottom: 60px;
    position: relative;
    display: inline-block;
    width: 100%;
}

.floor-plan-section h3::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 5px;
    background: linear-gradient(90deg, var(--gold), var(--gold-light));
    border-radius: 3px;
}

.floor-plan-category {
    margin-bottom: 50px;
}

.floor-plan-category:last-child {
    margin-bottom: 0;
}

.floor-plan-category h4 {
    font-size: 28px;
    font-weight: 900;
    color: var(--primary-dark);
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--gold);
}

.floor-plan-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.floor-plan-item {
    background: var(--white);
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    border: 2px solid var(--gold);
    transition: var(--transition);
    text-align: center;
}

.floor-plan-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(212, 175, 55, 0.3);
    border-color: var(--gold-light);
}

.floor-plan-item img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    transition: var(--transition);
}

.floor-plan-item:hover img {
    transform: scale(1.05);
}

.floor-plan-caption {
    margin-top: 20px;
    font-size: 20px;
    font-weight: 900;
    color: var(--primary-dark);
    letter-spacing: -0.5px;
}

.project-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 35px;
    margin-bottom: 40px;
}

.info-card {
    background: var(--white);
    padding: 35px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-left: 6px solid var(--gold);
}

.info-card h3 {
    font-size: 28px;
    font-weight: 900;
    color: var(--primary-dark);
    margin-bottom: 25px;
    letter-spacing: -1px;
}

/* Info Table */
.info-table {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 2px solid var(--light-gray);
}

.info-row:last-child {
    border-bottom: none;
}

.info-row .label {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-dark);
    min-width: 120px;
}

.info-row .value {
    font-size: 18px;
    font-weight: 500;
    color: var(--medium-gray);
    text-align: right;
    flex: 1;
}

/* Price Table */
.price-table {
    display: flex;
    flex-direction: column;
    overflow-x: auto;
}

.price-row {
    display: grid;
    grid-template-columns: 1fr 1.2fr 1.2fr 1fr;
    gap: 20px;
    padding: 18px 20px;
    border-bottom: 2px solid var(--light-gray);
    align-items: center;
    min-width: 600px;
}

.price-row.header {
    background: linear-gradient(135deg, var(--primary-dark), var(--secondary-navy));
    color: var(--gold);
    font-weight: 900;
    font-size: 18px;
    border-radius: 10px;
    border-bottom: none;
}

.price-row span {
    font-size: 17px;
    font-weight: 600;
    text-align: center;
}

.price-row:not(.header) span {
    color: var(--dark-gray);
}

/* Feature List */
.feature-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.feature-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 20px;
    background: var(--light-gray);
    border-radius: 12px;
    transition: var(--transition);
}

.feature-item:hover {
    background: var(--gold);
    transform: translateX(10px);
}

.feature-icon {
    font-size: 40px;
    flex-shrink: 0;
}

.feature-content h4 {
    font-size: 20px;
    font-weight: 900;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.feature-content p {
    font-size: 16px;
    font-weight: 500;
    color: var(--medium-gray);
}

/* Contact Box */
.contact-box {
    background: linear-gradient(135deg, var(--primary-dark), var(--secondary-navy));
    padding: 60px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.contact-box h3 {
    font-size: 32px;
    font-weight: 900;
    color: var(--gold);
    margin-bottom: 25px;
}

.contact-number {
    font-size: 48px;
    font-weight: 900;
    color: var(--white);
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.contact-info {
    font-size: 18px;
    font-weight: 500;
    color: var(--light-gray);
}

/* Facility Section */
.facility-section {
    margin-top: 80px;
    padding: 60px;
    background: var(--light-gray);
    border-radius: 20px;
}

.facility-section h3 {
    font-size: 36px;
    font-weight: 900;
    color: var(--primary-dark);
    text-align: center;
    margin-bottom: 50px;
}

.facility-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.facility-card {
    background: var(--white);
    padding: 35px 25px;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.facility-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.3);
    border: 2px solid var(--gold);
}

.facility-card h4 {
    font-size: 22px;
    font-weight: 900;
    color: var(--primary-dark);
    margin-bottom: 12px;
}

.facility-card p {
    font-size: 16px;
    font-weight: 500;
    color: var(--medium-gray);
}

/* ==========================================
   Location Section
========================================== */
.location {
    background: var(--white);
}

.location-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.location-card {
    background: var(--light-gray);
    padding: 0;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    border-top: 5px solid var(--gold);
    overflow: hidden;
}

.location-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.location-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.location-card:hover .location-image img {
    transform: scale(1.1);
}

.location-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

.location-card h3 {
    font-size: 28px;
    font-weight: 900;
    color: var(--primary-dark);
    margin: 30px 35px 20px;
    padding-bottom: 20px;
    border-bottom: 3px solid var(--gold);
}

.location-card ul {
    list-style: none;
    padding: 0 35px 35px;
}

.location-card li {
    font-size: 17px;
    font-weight: 500;
    color: var(--dark-gray);
    margin-bottom: 18px;
    padding-left: 25px;
    position: relative;
    line-height: 1.4;
}

.location-card li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--gold);
    font-weight: 900;
    font-size: 18px;
}

.location-card strong {
    display: inline;
    color: var(--primary-dark);
    font-weight: 900;
    margin-right: 4px;
}

.location-visual {
    margin-top: 60px;
}

.location-visual-item {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.location-visual-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.location-visual-item img {
    width: 100%;
    height: auto;
    display: block;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    -ms-interpolation-mode: bicubic;
}

.visual-caption {
    padding: 25px;
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-dark);
    text-align: center;
    background: linear-gradient(to right, var(--light-gray), var(--white));
}

/* ==========================================
   Comparison Section
========================================== */
.comparison {
    background: linear-gradient(to bottom, var(--light-gray), var(--white));
}

.comparison-table {
    background: var(--white);
    border-radius: 20px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow-x: auto;
}

.table-wrapper {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 700px;
}

thead {
    background: linear-gradient(135deg, var(--primary-dark), var(--secondary-navy));
}

thead th {
    padding: 25px 20px;
    font-size: 20px;
    font-weight: 900;
    color: var(--gold);
    text-align: center;
    letter-spacing: -0.5px;
}

tbody td {
    padding: 20px;
    font-size: 17px;
    font-weight: 600;
    color: var(--dark-gray);
    text-align: center;
    border-bottom: 2px solid var(--light-gray);
}

tbody td:first-child {
    font-weight: 900;
    color: var(--primary-dark);
    background: var(--light-gray);
    font-size: 15px;
    white-space: nowrap;
}

tbody tr:hover {
    background: rgba(212, 175, 55, 0.05);
}

/* ==========================================
   Contact Section
========================================== */
.contact {
    background: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    margin-bottom: 80px;
}

.contact-info-box {
    background: linear-gradient(135deg, var(--primary-dark), var(--secondary-navy));
    padding: 50px 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.contact-info-box h3 {
    font-size: 32px;
    font-weight: 900;
    color: var(--gold);
    margin-bottom: 30px;
}

.contact-info-box .phone {
    font-size: 42px;
    font-weight: 900;
    color: var(--white);
    margin-bottom: 25px;
    letter-spacing: 1px;
}

.contact-info-box .address {
    font-size: 18px;
    font-weight: 500;
    color: var(--light-gray);
    margin-bottom: 20px;
    line-height: 1.6;
}

.contact-info-box .hours {
    font-size: 16px;
    font-weight: 500;
    color: var(--medium-gray);
    line-height: 1.8;
}

/* Inquiry Form */
.inquiry-form {
    background: var(--light-gray);
    padding: 60px 50px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.inquiry-form h3 {
    font-size: 36px;
    font-weight: 900;
    color: var(--primary-dark);
    text-align: center;
    margin-bottom: 50px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 12px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 18px 20px;
    font-size: 16px;
    font-weight: 500;
    border: 2px solid var(--medium-gray);
    border-radius: 10px;
    font-family: var(--font-main);
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.form-group.checkbox {
    flex-direction: row;
    align-items: center;
    gap: 12px;
}

.form-group.checkbox input {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.form-group.checkbox label {
    margin: 0;
    cursor: pointer;
    font-size: 16px;
}

/* ==========================================
   Footer
========================================== */
.footer {
    background: linear-gradient(135deg, var(--primary-dark), var(--secondary-navy));
    color: var(--white);
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    margin-bottom: 50px;
}

.footer-info h3 {
    font-size: 28px;
    font-weight: 900;
    color: var(--gold);
    margin-bottom: 25px;
}

.footer-info p {
    font-size: 16px;
    font-weight: 500;
    color: var(--light-gray);
    margin-bottom: 15px;
    line-height: 1.8;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.footer-contact-item h4 {
    font-size: 22px;
    font-weight: 900;
    color: var(--gold);
    margin-bottom: 12px;
}

.footer-contact-item p {
    font-size: 28px;
    font-weight: 900;
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 2px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 15px;
    font-weight: 500;
    color: var(--medium-gray);
}

/* ==========================================
   Scroll to Top Button
========================================== */
.scroll-top-btn {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: var(--primary-dark);
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 900;
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
    transition: var(--transition);
    z-index: 999;
}

.scroll-top-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.6);
}

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

/* KakaoTalk Floating Button */
.kakao-float-btn {
    position: fixed;
    bottom: 120px;
    right: 40px;
    width: 70px;
    height: 70px;
    background: #FEE500;
    color: #3C1E1E;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 6px 20px rgba(254, 229, 0, 0.4);
    transition: var(--transition);
    z-index: 998;
    gap: 2px;
}

.kakao-float-btn svg {
    width: 30px;
    height: 30px;
}

.kakao-float-btn span {
    font-size: 11px;
    font-weight: 700;
    margin-top: -2px;
}

.kakao-float-btn:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 30px rgba(254, 229, 0, 0.6);
}

/* Customer Registration Floating Button */
.customer-float-btn {
    position: fixed;
    bottom: 210px;
    right: 40px;
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-dark), var(--secondary-navy));
    color: var(--gold);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 6px 20px rgba(10, 25, 41, 0.4);
    transition: var(--transition);
    z-index: 998;
    gap: 2px;
}

.customer-float-btn svg {
    width: 28px;
    height: 28px;
}

.customer-float-btn span {
    font-size: 10px;
    font-weight: 700;
    text-align: center;
    line-height: 1.2;
    margin-top: -2px;
}

.customer-float-btn:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.6);
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: var(--primary-dark);
}

/* ==========================================
   Responsive Design
========================================== */

/* Tablet */
@media (max-width: 1024px) {
    .logo {
        font-size: 22px;
    }
    
    .header-phone {
        font-size: 14px;
        padding: 5px 12px;
    }
    
    .nav ul {
        gap: 20px;
    }
    
    .nav a {
        font-size: 14px;
    }
    
    .hero-title {
        font-size: 60px;
    }
    
    .hero-subtitle {
        font-size: 26px;
    }
    
    .hero-description {
        font-size: 20px;
    }
    
    .section-title {
        font-size: 42px;
    }
    
    .overview-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .project-info-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .header-content {
        padding: 12px 0;
    }
    
    .header-left {
        gap: 10px;
        flex-shrink: 0;
    }
    
    .logo {
        font-size: 18px;
        white-space: nowrap;
    }
    
    .header-phone {
        font-size: 13px;
        padding: 5px 10px;
        white-space: nowrap;
    }
    
    .nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--primary-dark);
        padding: 40px 20px;
        transition: var(--transition);
        overflow-y: auto;
    }
    
    .nav.active {
        left: 0;
    }
    
    .nav ul {
        flex-direction: column;
        gap: 10px;
    }
    
    .nav a {
        display: block;
        padding: 20px;
        font-size: 18px;
        background: var(--secondary-navy);
        border-radius: 10px;
        text-align: center;
    }
    
    .mobile-menu-btn {
        display: flex;
        margin-left: auto;
    }
    
    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(8px, -8px);
    }
    
    .hero {
        height: auto;
        min-height: 600px;
        padding: 150px 0 80px;
    }
    
    .hero-content {
        padding: 0 15px;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .hero-title {
        font-size: 38px;
        margin-bottom: 15px;
    }
    
    .hero-subtitle {
        font-size: 16px;
        letter-spacing: 3px;
        margin-bottom: 20px;
    }
    
    .hero-description {
        font-size: 16px;
        margin-bottom: 35px;
    }
    
    .hero-buttons {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 15px !important;
        padding: 0 !important;
        width: 100% !important;
    }
    
    .btn {
        width: 100% !important;
        max-width: 100% !important;
        padding: 16px 20px !important;
        font-size: 16px !important;
        text-align: center !important;
        box-sizing: border-box !important;
        display: block !important;
    }
    
    section {
        padding: 50px 0;
    }
    
    .section-header {
        margin-bottom: 35px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .section-subtitle {
        font-size: 16px;
    }
    
    .overview-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .overview-card {
        padding: 20px 12px;
    }
    
    .overview-card h3 {
        font-size: 16px;
        margin-bottom: 10px;
    }
    
    .overview-card p {
        font-size: 13px;
        line-height: 1.4;
    }
    
    .card-icon {
        font-size: 40px;
        margin-bottom: 15px;
    }
    
    .info-card {
        padding: 25px 18px;
    }
    
    .info-card h3 {
        font-size: 24px;
        margin-bottom: 20px;
    }
    
    .info-table {
        gap: 8px;
    }
    
    .info-row {
        padding: 10px 0;
    }
    
    .project-info-grid {
        gap: 25px;
        margin-bottom: 30px;
    }
    
    .price-table {
        background: var(--white);
        border-radius: 10px;
        padding: 10px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }
    
    .price-row {
        grid-template-columns: repeat(4, 1fr);
        gap: 8px;
        padding: 12px 8px;
        min-width: 100%;
        font-size: 14px;
    }
    
    .price-row.header {
        font-size: 15px;
        position: sticky;
        top: 0;
        z-index: 10;
    }
    
    .price-row span {
        padding: 5px 2px;
        font-size: 14px;
        word-break: keep-all;
    }
    
    .price-row.header span {
        font-size: 15px;
    }
    
    .contact-box {
        padding: 40px 25px;
    }
    
    .contact-number {
        font-size: 32px;
    }
    
    .facility-section {
        padding: 40px 25px;
    }
    
    .facility-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .facility-card {
        padding: 15px 8px;
    }
    
    .facility-card h4 {
        font-size: 13px;
        margin-bottom: 5px;
        white-space: nowrap;
    }
    
    .facility-card p {
        font-size: 11px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .feature-list {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .feature-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 15px 10px;
        gap: 10px;
    }
    
    .feature-icon {
        font-size: 30px;
    }
    
    .feature-content h4 {
        font-size: 14px;
        margin-bottom: 5px;
    }
    
    .feature-content p {
        font-size: 11px;
        line-height: 1.4;
    }
    
    .feature-item:hover {
        transform: translateX(0) scale(1.05);
    }
    
    .first-city-image,
    .central-city-image {
        padding: 20px;
        margin: 30px 0;
        border-width: 2px;
    }
    
    .image-caption {
        font-size: 16px;
        margin-top: 15px;
    }
    
    .floor-plan-section {
        padding: 40px 25px;
        margin-top: 40px;
    }
    
    .floor-plan-section h3 {
        font-size: 28px;
        margin-bottom: 40px;
    }
    
    .floor-plan-category {
        margin-bottom: 35px;
    }
    
    .floor-plan-category h4 {
        font-size: 22px;
        margin-bottom: 20px;
        padding-bottom: 10px;
    }
    
    .location-visual {
        margin-top: 40px;
    }
    
    .visual-caption {
        padding: 20px 15px;
        font-size: 15px;
    }
    
    .floor-plan-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .floor-plan-item {
        padding: 20px;
    }
    
    .floor-plan-caption {
        font-size: 18px;
    }
    
    .location-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .location-image {
        height: 120px;
    }
    
    .location-card h3 {
        font-size: 16px;
        margin: 15px 12px 12px;
        padding-bottom: 10px;
    }
    
    .location-card ul {
        padding: 0 12px 15px;
    }
    
    .location-card li {
        font-size: 11px;
        margin-bottom: 8px;
        line-height: 1.3;
    }
    
    .location-card li strong {
        display: inline;
        font-size: 12px;
        color: var(--primary-dark);
        margin-right: 3px;
    }
    
    .contact-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .contact-info-box {
        padding: 25px 15px;
    }
    
    .contact-info-box h3 {
        font-size: 18px;
        margin-bottom: 15px;
    }
    
    .contact-info-box .phone {
        font-size: 24px;
        margin-bottom: 12px;
    }
    
    .contact-info-box .address,
    .contact-info-box .hours {
        font-size: 12px;
    }
    
    .inquiry-form {
        padding: 30px 20px;
    }
    
    .inquiry-form h3 {
        font-size: 24px;
        margin-bottom: 30px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 15px;
        margin-bottom: 15px;
    }
    
    .form-group {
        margin-bottom: 0;
    }
    
    .form-group label {
        font-size: 14px;
        font-weight: 700;
        margin-bottom: 8px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 12px 15px;
        font-size: 14px;
        border-radius: 8px;
        width: 100%;
    }
    
    .form-group textarea {
        min-height: 100px;
    }
    
    .form-group.checkbox {
        margin-top: 10px;
    }
    
    .form-group.checkbox label {
        font-size: 13px;
        font-weight: 500;
    }
    
    .btn-submit {
        padding: 14px 20px;
        font-size: 16px;
        margin-top: 15px;
    }
    
    .scroll-top-btn {
        width: 50px;
        height: 50px;
        bottom: 15px;
        right: 15px;
        font-size: 22px;
    }
    
    .kakao-float-btn {
        width: 55px;
        height: 55px;
        bottom: 80px;
        right: 15px;
    }
    
    .kakao-float-btn svg {
        width: 24px;
        height: 24px;
    }
    
    .kakao-float-btn span {
        font-size: 9px;
    }
    
    .customer-float-btn {
        width: 55px;
        height: 55px;
        bottom: 145px;
        right: 15px;
    }
    
    .customer-float-btn svg {
        width: 22px;
        height: 22px;
    }
    
    .customer-float-btn span {
        font-size: 8px;
        line-height: 1.1;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    body {
        font-size: 14px;
    }
    
    .container {
        padding: 0 12px;
    }
    
    .logo {
        font-size: 16px;
    }
    
    .header-phone {
        font-size: 11px;
        padding: 4px 8px;
    }
    
    .hero-content {
        padding: 0 12px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 14px;
        letter-spacing: 2px;
    }
    
    .hero-description {
        font-size: 14px;
    }
    
    .hero-buttons {
        gap: 12px;
    }
    
    .btn {
        padding: 14px 20px;
        font-size: 15px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .section-subtitle {
        font-size: 14px;
    }
    
    .overview-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .overview-card {
        padding: 18px 10px;
    }
    
    .overview-card h3 {
        font-size: 15px;
    }
    
    .overview-card p {
        font-size: 12px;
    }
    
    .card-icon {
        font-size: 35px;
        margin-bottom: 12px;
    }
    
    .contact-info-box .phone {
        font-size: 32px;
    }
    
    .inquiry-form {
        padding: 25px 15px;
    }
    
    .inquiry-form h3 {
        font-size: 22px;
        margin-bottom: 25px;
    }
    
    .form-group label {
        font-size: 13px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 10px 12px;
        font-size: 13px;
    }
    
    .form-group.checkbox label {
        font-size: 12px;
    }
    
    .btn-submit {
        padding: 12px 18px;
        font-size: 15px;
    }
    
    .comparison-table {
        padding: 5px;
        overflow-x: visible;
    }
    
    .table-wrapper {
        overflow-x: visible;
    }
    
    table {
        min-width: 100%;
        font-size: 12px;
    }
    
    thead th {
        padding: 12px 5px;
        font-size: 13px;
    }
    
    tbody td {
        padding: 10px 5px;
        font-size: 12px;
    }
    
    tbody td:first-child {
        font-size: 11px;
        white-space: nowrap;
    }
    
    tbody td:first-child {
        font-weight: 900;
    }
}