/*
 * 파일명: main.css
 * 경로: /assets/css/
 * 기능: 도메인 거래 플랫폼 메인 스타일시트
 * 작성일: 2025-03-31
 * 수정일: 2025-09-04
 */

/* ======== [1차] CSS 변수 및 색상 시스템 ======== */
:root {
    --primary: #2E6157;
    --primary-dark: #1A3E39;
    --primary-light: #3F8175;
    --secondary: #00a880;
    --accent: #F8E06A;
    --dark: #E0EFEA;
    --medium: #A0B0A8;
    --light: #1A3E39;
    --white: #0B1E1A;
    --gradient-primary: linear-gradient(135deg, #2E6157, #1A3E39);
    --gradient-secondary: linear-gradient(135deg, #00a880, #006B5A);
    --gradient-accent: linear-gradient(135deg, #F8E06A, #D6C25B);
    --gradient-hero: linear-gradient(135deg, #2E6157 0%, #1A3E39 100%);
    --border: #3A6C63;
    --border-light: #4A7C73;
    --shadow-sm: 0 4px 8px rgba(11, 30, 26, 0.15);
    --shadow-md: 0 10px 20px rgba(11, 30, 26, 0.25);
    --shadow-lg: 0 20px 30px rgba(11, 30, 26, 0.35);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ======== [1차] 기본 리셋 및 베이스 스타일 ======== */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--dark);
    background-color: var(--primary);
    line-height: 1.7;
    margin: 0;
    padding: 0;
    transition: var(--transition);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', Georgia, serif;
    font-weight: 700;
    color: var(--dark);
    margin: 0 0 .5rem;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

p {
    margin: 0 0 1rem;
    color: var(--medium);
}

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

a:hover, a:focus {
    color: var(--primary-light);
    text-decoration: none;
}

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

section {
    padding: 100px 0;
    position: relative;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ======== [1차] 브랜드 로고 텍스트 ======== */
.logo-text {
    font-family: 'Playfair Display', Georgia, serif;
    font-weight: 800;
    font-size: 28px;
    letter-spacing: .5px;
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.logo-text::after {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    display: inline-block;
}

.footer-logo-text {
    font-family: 'Playfair Display', serif;
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 20px;
    display: block;
}

/* ======== [1차] 섹션 헤더 공통 스타일 ======== */
.section-header {
    margin-bottom: 60px;
    text-align: center;
}

.section-subtitle {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.section-title {
    font-size: clamp(28px, 4vw, 42px);
    margin-bottom: 20px;
    color: var(--dark);
}

.section-divider {
    width: 100%;
    text-align: center;
    margin-top: 15px;
}

.section-divider span {
    display: inline-block;
    width: 60px;
    height: 3px;
    background: var(--gradient-accent);
    border-radius: 3px;
}

/* ======== [1차] 버튼 공통 스타일 ======== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
    border: 2px solid transparent;
    padding: .75rem 2rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: 50px;
    transition: var(--transition);
    cursor: pointer;
    min-height: 48px;
}

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

/* ---- [2차] 포커스 아웃라인 완전 제거 ---- */
.btn:focus,
.btn:active,
.btn:focus:active,
.btn.focus,
.btn:focus-visible,
.btn-no-focus,
.btn-no-focus:focus,
.btn-no-focus:active,
.btn-no-focus:focus:active,
.btn-no-focus.focus,
.btn-no-focus:focus-visible,
.btn-primary:focus,
.btn-primary:active,
.btn-outline-light:focus,
.btn-outline-light:active {
    outline: none !important;
    box-shadow: none !important;
    border-color: transparent !important;
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--white);
    border-color: transparent;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
    box-shadow: var(--shadow-md);
    color: var(--white);
    background: linear-gradient(135deg, #D6C25B, #C4B049);
    outline: none !important;
    border-color: transparent !important;
}

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

.btn-outline-light:hover,
.btn-outline-light:focus,
.btn-outline-light:active {
    background: var(--dark);
    color: var(--primary);
    border-color: var(--dark);
    outline: none !important;
}

.btn-sm {
    padding: .5rem 1.5rem;
    font-size: .875rem;
    min-height: 40px;
}

/* ---- [2차] 문의 버튼 특별 스타일 ---- */
.btn-inquire {
    background: var(--gradient-accent);
    color: var(--white);
    border-radius: 25px;
    padding: .6rem 1.2rem;
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-inquire:hover,
.btn-inquire:focus,
.btn-inquire:active {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
    background: linear-gradient(135deg, #D6C25B, #C4B049);
    color: var(--white) !important;
    outline: none !important;
    border-color: transparent !important;
}

/* ======== [1차] 네비게이션 바 ======== */
.navbar {
    background-color: var(--primary);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    padding: 20px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background-color: var(--primary-dark);
    box-shadow: var(--shadow-md);
    padding: 15px 0;
}

.navbar-toggler {
    padding: .25rem .75rem;
    font-size: 1.25rem;
    border: 2px solid var(--dark);
    border-radius: 8px;
    color: var(--dark);
    transition: var(--transition);
}

.navbar-toggler:hover {
    background-color: var(--dark);
    color: var(--primary);
}

.nav-link {
    color: var(--dark) !important;
    font-weight: 500;
    padding: .5rem 1rem;
    border-radius: 25px;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--accent) !important;
    background-color: rgba(248, 224, 106, .1);
}

/* ---- [2차] 언어 드롭다운 스타일 ---- */
.lang-dropdown {
    background: var(--light);
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    min-width: 120px;
}

.lang-dropdown .dropdown-item {
    color: var(--dark);
    padding: 8px 16px;
    transition: var(--transition);
    border-radius: 4px;
    margin: 2px;
}

.lang-dropdown .dropdown-item:hover {
    background: var(--accent);
    color: var(--white);
}

.lang-dropdown .dropdown-item.active {
    background: var(--primary-light);
    color: var(--dark);
    font-weight: 600;
}

/* ======== [1차] 히어로 섹션 ======== */
.hero {
    min-height: auto !important;
    height: auto !important;
    display: flex;
    align-items: center;
    background: var(--gradient-hero);
    overflow: hidden;
    padding: 0;
}

/* ---- [2차] 히어로 상단 간격 최적화 ---- */
.hero-with-spacing {
    padding-top: 90px !important;
    padding-bottom: 40px !important;
    min-height: auto !important;
}

.hero-backdrop {
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7z' fill='%23E0EFEA' fill-opacity='0.08'/%3E%3C/svg%3E");
}

.hero-content {
    color: var(--dark);
    position: relative;
    z-index: 2;
    padding: 60px 0 !important;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 16px !important;
    color: var(--dark);
}

.hero-title .highlight {
    position: relative;
    display: inline-block;
}

.hero-title .highlight::after {
    content: '';
    position: absolute;
    bottom: 6px;
    left: 0;
    width: 100%;
    height: 12px;
    background: var(--accent);
    opacity: .75;
    z-index: -1;
    border-radius: 6px;
}

.hero-text {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    margin-bottom: 24px !important;
    max-width: 540px;
    color: var(--medium);
}

.hero-cta {
    display: flex;
    gap: 20px;
    margin-top: 30px !important;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 30px !important;
    margin-bottom: 16px !important;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
	align-items: center;
    position: relative;
}

.stat-item::after {
    content: '';
    position: absolute;
    right: -20px;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 40px;
    background: var(--border);
}

.stat-item:last-child::after {
    display: none;
}

.stat-number {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    font-size: .9rem;
    color: var(--medium);
    margin-top: 5px;
}

/* ---- [2차] 히어로 글로브 애니메이션 ---- */
.hero-image-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.domain-globe {
    position: relative;
    width: 400px;
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.globe-circle {
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    border: 3px dotted rgba(224, 239, 234, .3);
    animation: rotate 30s linear infinite;
}

.globe-circle::before {
    content: '';
    position: absolute;
    inset: -10px;
    border-radius: 50%;
    border: 1px solid rgba(248, 224, 106, .2);
    animation: rotate 45s linear infinite reverse;
}

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

.domain-cards {
    position: relative;
    width: 100%;
    height: 100%;
}

.domain-card {
    position: absolute;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 15px 25px;
    background: rgba(224, 239, 234, .95);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(248, 224, 106, .3);
    transition: var(--transition);
}

.domain-card.premium {
    top: 60px;
    left: 120px;
    background: var(--gradient-primary);
    color: var(--dark);
    transform: rotate(-8deg);
    font-weight: 700;
    font-size: 1.2rem;
    animation: float 4s ease-in-out infinite;
}

.domain-card.standard {
    top: 180px;
    right: 70px;
    background: var(--gradient-secondary);
    color: var(--dark);
    transform: rotate(5deg);
    font-weight: 700;
    font-size: 1.2rem;
    animation: float-standard 4s ease-in-out infinite 1s;
}

.domain-card.special {
    bottom: 100px;
    left: 100px;
    background: var(--gradient-accent);
    color: var(--white);
    transform: rotate(-3deg);
    font-weight: 700;
    font-size: 1.2rem;
    animation: float-special 4s ease-in-out infinite 2s;
}

.domain-card:hover {
    transform: scale(1.07);
    z-index: 5;
}

.domain-text {
    font-weight: 700;
    font-size: 1.2rem;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(-8deg);
    }
    50% {
        transform: translateY(-15px) rotate(-8deg);
    }
}

@keyframes float-standard {
    0%, 100% {
        transform: translateY(0) rotate(5deg);
    }
    50% {
        transform: translateY(-15px) rotate(5deg);
    }
}

@keyframes float-special {
    0%, 100% {
        transform: translateY(0) rotate(-3deg);
    }
    50% {
        transform: translateY(-15px) rotate(-3deg);
    }
}

/* ---- [2차] 히어로 하단 프로세스 카드 ---- */
.process-cards-container {
    margin-top: 50px;
}

.process-card {
    background: var(--light);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    padding: 25px 20px;
    height: 100%;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.process-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: var(--shadow-md);
}

.process-step-number {
    width: 50px;
    height: 50px;
    min-width: 50px;
    background: var(--gradient-accent);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.process-content {
    flex: 1;
}

.process-title {
    color: var(--dark);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.process-description {
    color: var(--medium);
    font-size: .9rem;
    margin: 0;
    line-height: 1.5;
}

/* ---- [2차] 히어로 하단 물결 애니메이션 ---- */
.hero-wave-animated {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 80px;
    overflow: hidden;
    line-height: 0;
    z-index: 3;
}

.hero-wave-animated::before,
.hero-wave-animated::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 100%;
    background-repeat: repeat-x;
    background-size: 1000px 100%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1000' height='80' viewBox='0 0 1000 80' preserveAspectRatio='none'%3E%3Cpath d='M0 40 Q 250 0 500 40 T 1000 40 V80 H0 Z' fill='%232E6157'/%3E%3C/svg%3E");
    animation: waveSlide 14s linear infinite;
}

.hero-wave-animated::after {
    opacity: 0.6;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1000' height='80' viewBox='0 0 1000 80' preserveAspectRatio='none'%3E%3Cpath d='M0 42 Q 250 10 500 42 T 1000 42 V80 H0 Z' fill='%233F8175'/%3E%3C/svg%3E");
    animation-duration: 20s;
    animation-direction: reverse;
}

@keyframes waveSlide {
    0% {
        background-position-x: 0;
    }
    100% {
        background-position-x: -1000px;
    }
}

/* ======== [1차] Featured & Available Domains 섹션 ======== */
.featured-domains {
    padding: 100px 0 70px;
    background-color: var(--light);
    position: relative;
}

.available-domains-section {
    background-color: var(--primary);
    padding: 100px 0;
}

/* ---- [2차] 도메인 카드 공통 스타일 ---- */
.available-domain-card {
    background-color: var(--light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 25px 20px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    height: 100%;
    border: 2px solid var(--border);
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.available-domain-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent);
}

.available-domain-card.featured {
    border-color: var(--accent);
    background: linear-gradient(135deg, var(--light), rgba(248, 224, 106, 0.05));
}

/* ---- [2차] 컴팩트 카드 스타일 ---- */
.available-domain-card.compact {
    padding: 20px 18px;
}

.available-domain-card.compact .domain-name {
    margin-top: 20px;
    margin-bottom: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark) !important;
    text-shadow: 0 1px 2px rgba(11, 30, 26, 0.15);
    letter-spacing: -0.01em;
}

.available-domain-card.compact .domain-price {
    margin-bottom: 14px;
    font-size: 1.7rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--accent) !important;
    text-shadow: 0 1px 2px rgba(11, 30, 26, 0.15);
    letter-spacing: -0.02em;
}

.available-domain-card.compact .domain-actions {
    margin-top: 2px;
}

.available-domain-card.compact .btn-inquire {
    padding: 0.45rem 1rem;
    font-size: 0.75rem;
    font-weight: 500;
    line-height: 1;
    opacity: 0.85;
    transition: var(--transition);
}

.available-domain-card.compact .btn-inquire:hover {
    opacity: 1;
    transform: translateY(-1px);
    color: var(--white) !important;
}

.available-domain-card .domain-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
    text-shadow: 0 1px 2px rgba(11, 30, 26, 0.15);
}

.available-domain-card .domain-price {
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 14px;
    text-shadow: 0 1px 3px rgba(248, 224, 106, 0.4);
    letter-spacing: -0.02em;
}

/* ---- [2차] 도메인 배지 스타일 ---- */
.domain-badge-featured {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--accent);
    color: var(--white);
    padding: 4px 8px;
    border-radius: 12px;
    font-size: .6rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-sm);
    z-index: 3;
}

/* ---- [2차] 필터 버튼 ---- */
.domains-filter {
    margin-bottom: 40px;
}

.filter-btn {
    background-color: transparent;
    border: 2px solid var(--border);
    color: var(--dark);
    padding: 10px 25px;
    margin: 0 8px 8px 0;
    border-radius: 30px;
    font-size: .9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn.active,
.filter-btn:hover {
    background-color: var(--accent);
    color: var(--white);
    border-color: var(--accent);
    transform: translateY(-2px);
}

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

/* ---- [신규] 카테고리 필터 관련 ---- */
.filter-divider {
    width: 2px;
    height: 20px;
    background-color: rgba(255, 255, 255, 0.3);
    margin: 0 15px;
    display: inline-block;
    vertical-align: middle;
}

.category-filter {
    font-size: 0.85rem;
    padding: 8px 16px;
    margin: 0 5px 8px 5px;
}

.domain-category-badge {
    position: absolute;
    top: 8px;
    right: 85px;
    background: rgba(42, 75, 141, 0.9);
    color: white;
    font-size: 0.7rem;
    font-weight: 500;
    padding: 2px 8px;
    border-radius: 12px;
    z-index: 2;
}

.available-domain-card:not(.featured) .domain-category-badge {
    right: 8px;
}

/* ======== [1차] Sold Domains 섹션 ======== */
.sold-domains-section {
    padding: 100px 0;
    background-color: var(--light);
}

.sold-domain-card {
    background-color: var(--light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 30px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    height: 100%;
    border: 2px solid var(--border);
    border-left: 4px solid var(--secondary);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.sold-domain-card.featured {
    border-left-color: var(--accent);
}

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

.sold-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: linear-gradient(135deg, var(--secondary), var(--primary-light));
    color: var(--dark);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: .7rem;
    font-weight: 600;
    text-transform: uppercase;
}

.sold-domain-card .domain-name {
    margin-top: 20px;
}

.sold-price {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 10px;
    color: var(--secondary);
}

.featured-indicator {
    position: absolute;
    bottom: 15px;
    right: 15px;
    font-size: .7rem;
    color: var(--accent);
    font-weight: 600;
}

/* ======== [1차] Escrow 섹션 ======== */
.escrow-section {
    padding: 100px 0;
    background-color: var(--light);
}

.escrow-content {
    padding-right: 0;
}

.escrow-advantage {
    display: flex;
    align-items: flex-start;
    margin-bottom: 28px;
    padding: 18px;
    background: rgba(248, 224, 106, .06);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.advantage-icon {
    width: 60px;
    height: 60px;
    min-width: 60px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 18px;
    box-shadow: var(--shadow-sm);
}

.advantage-icon i {
    font-size: 24px;
    color: var(--dark) !important;
}

.advantage-content h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
    color: var(--dark);
}

.advantage-content p {
    color: var(--medium);
    margin-bottom: 0;
}

.escrow-process-details {
    background: var(--light);
    padding: 25px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    border: 2px solid var(--border);
    margin-top: 20px;
}

.process-title {
    color: var(--dark);
    font-size: 1.2rem;
    font-weight: 600;
    border-bottom: 2px solid var(--border);
    padding-bottom: 12px;
}

.process-title i {
    color: var(--accent) !important;
}

.process-steps {
    margin-top: 20px;
}

.process-step {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
    position: relative;
    padding: 12px;
    background: rgba(248, 224, 106, .05);
    border-radius: 10px;
}

.process-step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 35px;
    top: 60px;
    width: 2px;
    height: calc(100% + 10px);
    background: linear-gradient(180deg, var(--accent), var(--border));
}

.step-number {
    width: 42px;
    height: 42px;
    min-width: 42px;
    background: var(--gradient-accent);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-right: 16px;
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}

.step-content h5 {
    color: var(--dark);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.step-content p {
    color: var(--medium);
    font-size: .95rem;
    margin: 0;
    line-height: 1.5;
}

.process-fee {
    background: rgba(0, 168, 128, .1) !important;
    border: 2px solid var(--secondary);
    border-radius: 8px;
    color: var(--dark);
}

.process-fee i {
    color: var(--secondary) !important;
}

/* ======== [1차] Partners 섹션 ======== */
.partners-section {
    padding: 80px 0;
    background-color: var(--primary);
}

.partners-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 50px;
    margin-top: 30px;
}

.partner-item {
    max-width: 180px;
    transition: var(--transition);
}

.partner-logo {
    width: 100%;
    filter: grayscale(100%) brightness(1.1);
    opacity: .85;
    transition: var(--transition);
    border-radius: 8px;
}

.partner-item:hover .partner-logo {
    filter: grayscale(0%) brightness(1);
    opacity: 1;
    transform: scale(1.05);
}

/* ======== [1차] Contact 섹션 ======== */
.contact-section {
    padding: 100px 0;
    background-color: var(--light);
}

.contact-card {
    background-color: var(--light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--border);
    overflow: hidden;
}

.contact-info {
    padding: 40px;
    background: var(--gradient-primary);
    color: var(--dark);
    height: 100%;
}

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

.contact-info p {
    opacity: .95;
    margin-bottom: 25px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 18px;
}

.contact-item i {
    font-size: 20px;
    margin-right: 12px;
    margin-top: 3px;
    color: var(--accent) !important;
}

.contact-item h4 {
    color: var(--dark);
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.contact-item p,
.contact-item a {
    color: var(--dark);
    opacity: .9;
    margin: 0;
}

.contact-item a:hover {
    color: var(--accent);
}

.contact-social {
    display: flex;
    gap: 15px;
    margin-top: 25px;
}

.contact-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background-color: rgba(224, 239, 234, .1);
    border-radius: 50%;
    color: var(--dark);
    border: 1px solid rgba(224, 239, 234, .2);
    transition: var(--transition);
}

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

.contact-social a i {
    color: inherit !important;
}

.contact-form {
    padding: 40px;
    background-color: var(--light);
}

/* ---- [2차] 입력 그룹 스타일 ---- */
.input-group-text {
    border-right: none;
    background-color: var(--light);
    border-color: var(--border);
}

.mobile-icon-bg {
    background-color: var(--accent) !important;
    border-color: var(--accent) !important;
}

.mobile-form-icon {
    color: var(--white) !important;
    font-size: 16px !important;
    font-weight: 700 !important;
}

.form-control {
    border-left: none;
    padding-left: 10px;
    background-color: var(--light);
    border-color: var(--border);
    color: var(--dark);
    transition: var(--transition);
}

.form-control:focus {
    box-shadow: 0 0 0 .2rem rgba(248, 224, 106, .25);
    border-color: var(--accent);
    background-color: var(--light);
    color: var(--dark);
}

.form-control::placeholder {
    color: var(--medium);
    opacity: .9;
}

/* ---- [2차] 캡챠 스타일 ---- */
.captcha-group {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.captcha-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #f8f9fa;
    padding: 8px 12px;
    border-radius: 6px;
    border: 1px solid #dee2e6;
    height: calc(1.5em + 0.75rem + 2px);
    gap: 8px;
}

.math-equation {
    font-family: 'Courier New', monospace;
    font-weight: 600;
    font-size: 16px;
    color: #2C5F2D;
    flex-grow: 1;
}

.captcha-refresh {
    background: none;
    border: none;
    color: #6c757d;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.captcha-refresh:hover {
    color: #2C5F2D;
    background: rgba(44, 95, 45, 0.1);
}

.captcha-refresh:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.contact-form .contact-help-text {
    color: #999 !important;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.contact-form .form-text {
    color: #999 !important;
}

/* ---- [2차] 폼 유효성 검사 스타일 ---- */
.contact-form .form-control.is-invalid {
    border-color: #dc3545;
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

.contact-form .invalid-feedback {
    display: block;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.875em;
    color: #00A880;
}

.contact-form .form-control.is-invalid ~ .invalid-feedback {
    display: block;
}

/* ---- [2차] 알림 메시지 스타일 ---- */
#contactFormMessage .alert {
    margin-bottom: 0;
    border-radius: 8px;
    border: none;
    font-size: 14px;
}

#contactFormMessage .alert-success {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    color: #155724;
}

#contactFormMessage .alert-danger {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    color: #721c24;
}

#contactFormMessage .alert-warning {
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    color: #856404;
}

/* ======== [1차] Footer 섹션 ======== */
.footer-separator {
    height: 4px;
    background: var(--gradient-accent);
    margin: 0;
}

.footer {
    background: linear-gradient(135deg, var(--primary-dark), #0F2A26);
    color: var(--medium);
    padding: 80px 0 30px;
    position: relative;
    margin-top: 0;
}

.footer-info {
    margin-bottom: 30px;
}

.footer-info p {
    color: var(--medium);
    font-size: 1rem;
    line-height: 1.7;
    max-width: 320px;
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 18px;
}

.footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(224, 239, 234, .1);
    border-radius: 50%;
    color: var(--medium);
    border: 1px solid rgba(224, 239, 234, .2);
    transition: var(--transition);
}

.footer-social a:hover {
    background-color: var(--accent);
    color: var(--white);
    transform: translateY(-4px);
}

.footer-social a i {
    color: inherit !important;
}

.footer-links h3,
.footer-contact h3 {
    color: var(--dark);
    font-size: 1.2rem;
    margin-bottom: 18px;
    position: relative;
}

.footer-links h3::after,
.footer-contact h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.footer-links ul {
    padding: 0;
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--medium);
    transition: var(--transition);
    position: relative;
}

.footer-links a:hover {
    color: var(--accent);
    padding-left: 6px;
}

.footer-contact p {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.footer-contact p i {
    margin-right: 10px;
    color: var(--accent) !important;
}

.footer-contact a {
    color: var(--medium);
}

.footer-contact a:hover {
    color: var(--accent);
}

.footer-bottom {
    margin-top: 40px;
    padding-top: 18px;
    border-top: 1px solid rgba(224, 239, 234, .15);
    text-align: center;
}

.copyright {
    color: var(--medium);
    font-size: .9rem;
    opacity: .85;
}

/* ======== [1차] Scroll to Top 버튼 ======== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 55px;
    height: 55px;
    background: var(--gradient-accent);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    border: 2px solid rgba(255, 255, 255, .2);
}

.scroll-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-8px) scale(1.05);
    color: var(--white);
}

.scroll-top i {
    font-size: 1.2rem;
    color: var(--white) !important;
}

/* ======== [1차] Modal 스타일 ======== */
.modal-content {
    border: none;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--light);
    box-shadow: var(--shadow-lg);
}

.modal-header {
    background: var(--gradient-primary);
    color: var(--dark);
    border-bottom: none;
    padding: 22px 30px;
}

.modal-title {
    color: var(--dark);
    font-weight: 600;
    font-size: 1.2rem;
}

.modal-body {
    padding: 30px;
    background: var(--light);
}

.modal-footer {
    border-top: 2px solid var(--border);
    padding: 22px 30px;
    background: var(--light);
}

/* ======== [1차] 반응형 미디어 쿼리 ======== */

/* ---- [2차] 대형 데스크톱 (1200px 미만) ---- */
@media (max-width: 1199.98px) {
    .hero-title {
        font-size: clamp(2.2rem, 4vw, 3.5rem);
    }
    
    .domain-globe {
        width: 350px;
        height: 350px;
    }
    
    .globe-circle {
        width: 250px;
        height: 250px;
    }
}

/* ---- [2차] 태블릿 (768px - 991px) ---- */
@media (max-width: 991.98px) {
    /* 네비게이션 */
    .navbar-collapse {
        background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        padding: 22px;
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-lg);
        margin-top: 15px;
        max-height: 80vh;
        overflow-y: auto;
        border: 2px solid var(--border);
    }
    
    .navbar-nav {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
    
    .navbar-nav .nav-item {
        flex: 0 0 45%;
        margin: 0;
    }
    
    .navbar-nav .nav-link {
        text-align: center;
        padding: 12px 10px;
        background-color: rgba(224, 239, 234, .1);
        border-radius: 10px;
        border: 1px solid rgba(224, 239, 234, .2);
    }
    
    /* 히어로 섹션 */
    .hero-with-spacing {
        padding-top: 75px;
        padding-bottom: 35px;
    }
    
    .hero-content {
        padding: 50px 0;
        text-align: center;
    }
    
    .hero-title {
        margin-bottom: 14px;
    }
    
    .hero-text {
        margin-left: auto;
        margin-right: auto;
        margin-bottom: 20px;
    }
    
    .hero-cta,
    .hero-stats {
        margin-top: 25px;
        justify-content: center;
    }
    
    .hero-stats {
        margin-bottom: 14px;
        gap: 30px;
    }
    
    .stat-item {
        margin-left: auto;
        margin-right: auto;
    }
    
    /* 일반 섹션 */
    section {
        padding: 80px 0;
    }
}

/* ---- [2차] 모바일 (576px - 767px) ---- */
@media (max-width: 767.98px) {
    /* 히어로 섹션 */
    .hero-with-spacing {
        padding-top: 65px;
        padding-bottom: 30px;
    }
    
    .hero-content {
        padding: 40px 0;
    }
    
    .hero-title {
        font-size: clamp(2rem, 5vw, 2.8rem);
        margin-bottom: 12px;
    }
    
    .hero-text {
        font-size: 1rem;
        margin-bottom: 18px;
    }
    
    .hero-cta,
    .hero-stats {
        margin-top: 22px;
    }
    
    .hero-stats {
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 12px;
        gap: 10px;
        padding: 0 8px;
    }
    
    .hero-stats .stat-item {
        flex: 1 1 0;
        margin: 0;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-align: center;
    }
    
    .hero-stats .stat-item::after {
        display: none;
    }
    
    .hero-stats .stat-number,
    .hero-stats .stat-label {
        text-align: center;
        margin: 0 auto;
    }
    
    /* CTA 버튼 */
    .hero-cta {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .hero-cta .btn {
        width: 100%;
        max-width: 280px;
    }
    
    /* 연락처 카드 */
    .contact-card .row {
        flex-direction: column;
    }
    
    .contact-info {
        border-radius: var(--radius-md) var(--radius-md) 0 0;
        padding: 35px 24px;
    }
    
    .contact-form {
        border-radius: 0 0 var(--radius-md) var(--radius-md);
        padding: 35px 24px;
    }
    
    /* 도메인 카드 */
    .available-domain-card.compact .domain-name {
        font-size: 1.35rem;
        font-weight: 700;
        margin-top: 6px;
        margin-bottom: 8px;
        text-shadow: 0 1px 2px rgba(11, 30, 26, 0.15);
    }
    
    .available-domain-card.compact .domain-price {
        font-size: 1.55rem;
        font-weight: 800;
        margin-bottom: 12px;
    }
    
    .available-domain-card.compact .btn-inquire {
        padding: 0.4rem 0.9rem;
        font-size: 0.7rem;
        opacity: 0.85;
    }
    
    /* 프로세스 카드 */
    .process-card {
        flex-direction: column;
        text-align: center;
        gap: 15px;
        padding: 20px;
    }
    
    .process-step-number {
        margin-bottom: 10px;
        align-self: center;
        width: 45px;
        height: 45px;
        min-width: 45px;
        font-size: 1.1rem;
    }
    
    .process-content {
        text-align: center;
    }
    
    .step-number {
        width: 38px;
        height: 38px;
        min-width: 38px;
        font-size: 0.9rem;
    }
    
    /* 카테고리 필터 */
    .filter-divider {
        display: none;
    }
    
    .category-filter {
        font-size: 0.8rem;
        padding: 6px 12px;
        margin: 0 3px 6px 3px;
    }
    
    .domain-category-badge {
        font-size: 0.65rem;
        padding: 1px 6px;
    }
    
    /* 푸터 */
    .footer {
        padding-top: 70px;
    }
}

/* ---- [2차] 소형 모바일 (575px 이하) ---- */
@media (max-width: 575.98px) {
    /* 히어로 섹션 */
    .hero-with-spacing {
        padding-top: 60px;
        padding-bottom: 25px;
    }
    
    .hero-content {
        padding: 35px 0;
    }
    
    .hero-title {
        font-size: clamp(1.8rem, 6vw, 2.4rem);
        margin-bottom: 10px;
    }
    
    .hero-text {
        margin-bottom: 16px;
    }
    
    .hero-cta,
    .hero-stats {
        margin-top: 20px;
    }
    
    .hero-stats {
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 10px;
        gap: 8px;
        padding: 0 5px;
    }
    
    .hero-stats .stat-item {
        flex: 1 1 0;
        margin: 0;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-align: center;
    }
    
    .hero-stats .stat-item::after {
        display: none;
    }
    
    .hero-stats .stat-number,
    .hero-stats .stat-label {
        text-align: center;
        margin: 0 auto;
    }
    
    /* 컨테이너 및 섹션 */
    .container {
        padding: 0 16px;
    }
    
    section {
        padding: 60px 0;
    }
    
    /* 도메인 카드 */
    .available-domain-card.compact .domain-name {
        font-size: 1.25rem;
        margin-bottom: 6px;
    }
    
    .available-domain-card.compact .domain-price {
        font-size: 1.45rem;
        margin-bottom: 10px;
    }
    
    .available-domain-card.compact .btn-inquire {
        padding: 0.35rem 0.8rem;
        font-size: 0.65rem;
    }
    
    /* 스텝 번호 */
    .process-step-number {
        width: 42px;
        height: 42px;
        min-width: 42px;
        font-size: 1rem;
    }
    
    .step-number {
        width: 36px;
        height: 36px;
        min-width: 36px;
        font-size: 0.85rem;
    }
    
    /* 캡챠 */
    .captcha-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .captcha-question {
        justify-content: center;
        text-align: center;
        margin-bottom: 0.5rem;
    }
}

/* ======== [1차] 폼 유효성 검사 공통 ======== */
.form-control.is-invalid {
    border-color: #dc3545;
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

.invalid-feedback {
    display: block;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.875em;
    color: #dc3545;
}

.form-control.is-invalid ~ .invalid-feedback {
    display: block;
}

/* ======== [1차] 캡챠 반응형 추가 ======== */
.captcha-responsive .row.g-2 {
    align-items: stretch;
}

.captcha-responsive .row.g-2 .col-12,
.captcha-responsive .row.g-2 .col-sm-6 {
    display: flex;
    flex-direction: column;
}

.captcha-responsive .row.g-2 .col-12 .form-control,
.captcha-responsive .row.g-2 .col-sm-6 .form-control {
    flex: 1;
}