/* 전역 스타일 */
:root {
    --color-black: #0a0a0a;
    --color-dark: #1a1a1a;
    --color-gray: #6b7280;
    --color-light-gray: #e5e7eb;
    --color-white: #ffffff;
    --color-gold: #d4af37;
    --color-gold-light: #f4d03f;
    --color-accent: #2c2c2c;
    
    --font-primary: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-primary);
    background: var(--color-white);
    color: var(--color-dark);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 컨테이너 */
.premium-inquiry-container {
    width: 100%;
    overflow-x: hidden;
}

/* 히어로 섹션 */
.hero-section {
    min-height: 75vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-dark) 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::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% 50%, rgba(212, 175, 55, 0.05) 0%, transparent 50%);
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
    padding: 0 20px;
}

.hero-subtitle {
    font-size: 0.875rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 30px;
    font-weight: 400;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 300;
    color: var(--color-white);
    line-height: 1.2;
    margin-bottom: 40px;
    letter-spacing: -0.02em;
}

.hero-description {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    font-weight: 300;
    margin-bottom: 50px;
}

.hero-divider {
    width: 100px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
    margin: 0 auto;
}

/* 섹션 공통 */
.section-header {
    text-align: center;
    margin-bottom: 80px;
    padding: 0 20px;
}

.section-label {
    font-size: 0.75rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--color-gold);
    font-weight: 600;
    display: block;
    margin-bottom: 20px;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 300;
    color: var(--color-black);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray);
    font-weight: 300;
    max-width: 600px;
    margin: 0 auto;
}

/* 프로세스 섹션 */
.process-section {
    padding: 120px 20px;
    background: #fafafa;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.process-card {
    background: var(--color-white);
    padding: 50px 40px;
    border: 1px solid #f0f0f0;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.process-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 0;
    background: linear-gradient(180deg, var(--color-gold), var(--color-gold-light));
    transition: height 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.process-card:hover::before {
    height: 100%;
}

.process-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    border-color: var(--color-gold);
}

.process-card-number {
    font-size: 0.875rem;
    color: var(--color-gold);
    font-weight: 600;
    letter-spacing: 0.1em;
    margin-bottom: 25px;
}

.process-card-icon {
    width: 50px;
    height: 50px;
    margin-bottom: 30px;
}

.process-card-icon svg {
    width: 100%;
    height: 100%;
    color: var(--color-black);
    opacity: 0.8;
}

.process-card-title {
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--color-black);
    margin-bottom: 15px;
    letter-spacing: -0.01em;
}

.process-card-desc {
    font-size: 1rem;
    color: var(--color-gray);
    line-height: 1.7;
    margin-bottom: 25px;
    font-weight: 300;
}

.process-card-duration {
    font-size: 0.875rem;
    color: var(--color-gold);
    font-weight: 500;
    letter-spacing: 0.05em;
}

/* 문의 섹션 */
.inquiry-section {
    padding: 120px 20px;
    background: var(--color-white);
}

.inquiry-form-container {
    max-width: 900px;
    margin: 0 auto;
    background: #fafafa;
    border: 1px solid #f0f0f0;
    overflow: hidden;
}

.form-chat-wrapper {
    padding: 0;
}

.form-messages {
    min-height: 500px;
    max-height: 600px;
    overflow-y: auto;
    padding: 50px 40px;
    background: var(--color-white);
}

.form-messages::-webkit-scrollbar {
    width: 6px;
}

.form-messages::-webkit-scrollbar-track {
    background: #f5f5f5;
}

.form-messages::-webkit-scrollbar-thumb {
    background: var(--color-gold);
    border-radius: 3px;
}

.form-message {
    display: flex;
    margin-bottom: 35px;
    animation: messageSlideIn 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    gap: 20px;
}

@keyframes messageSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message-icon {
    width: 44px;
    height: 44px;
    border: 1px solid #e5e5e5;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: var(--color-white);
}

.message-icon svg {
    width: 20px;
    height: 20px;
    color: var(--color-black);
}

.form-message.user {
    flex-direction: row-reverse;
}

.form-message.user .message-icon {
    background: var(--color-black);
    border-color: var(--color-black);
}

.form-message.user .message-icon svg {
    color: var(--color-gold);
}

.message-text {
    flex: 1;
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-dark);
    padding: 18px 0;
    font-weight: 300;
}

.form-message.user .message-text {
    text-align: right;
    font-weight: 400;
}

.message-text strong {
    color: var(--color-gold);
    font-weight: 500;
}

/* 입력 영역 */
.form-input-wrapper {
    background: #fafafa;
    padding: 30px 40px;
    border-top: 1px solid #f0f0f0;
}

.input-container {
    display: flex;
    gap: 15px;
    align-items: center;
    margin-bottom: 20px;
}

.form-input {
    flex: 1;
    border: 1px solid #e5e5e5;
    background: var(--color-white);
    padding: 16px 24px;
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
    font-family: var(--font-primary);
    color: var(--color-dark);
}

.form-input:focus {
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.form-submit-btn {
    width: 50px;
    height: 50px;
    border: 1px solid var(--color-black);
    background: var(--color-black);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.form-submit-btn:hover {
    background: var(--color-gold);
    border-color: var(--color-gold);
    transform: translateX(3px);
}

.form-submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: translateX(0);
}

.form-submit-btn svg {
    width: 20px;
    height: 20px;
    color: var(--color-white);
}

/* 빠른 선택 */
.quick-options {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.quick-option-btn {
    padding: 12px 24px;
    border: 1px solid #e5e5e5;
    background: var(--color-white);
    color: var(--color-dark);
    font-size: 0.9375rem;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 300;
    letter-spacing: -0.01em;
}

.quick-option-btn:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
    transform: translateY(-2px);
}

/* 진행 표시 */
.form-progress {
    padding: 30px 40px;
    background: #fafafa;
    border-top: 1px solid #f0f0f0;
}

.progress-track {
    height: 2px;
    background: #e5e5e5;
    margin-bottom: 15px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--color-gold), var(--color-gold-light));
    width: 0%;
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--color-gray);
    letter-spacing: 0.05em;
}

.progress-current {
    color: var(--color-gold);
    font-weight: 600;
    font-size: 1rem;
}

.progress-separator {
    color: #d1d5db;
}

.progress-total {
    font-weight: 500;
}

.progress-label {
    margin-left: 5px;
    font-weight: 300;
}

/* 완료 모달 */
.success-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 20px;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.success-content {
    background: var(--color-white);
    padding: 80px 60px;
    max-width: 600px;
    width: 100%;
    text-align: center;
    animation: slideUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.success-icon {
    width: 80px;
    height: 80px;
    border: 2px solid var(--color-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 40px;
}

.success-icon svg {
    width: 40px;
    height: 40px;
    color: var(--color-gold);
}

.success-title {
    font-size: 2rem;
    font-weight: 300;
    color: var(--color-black);
    margin-bottom: 20px;
    letter-spacing: -0.01em;
}

.success-text {
    font-size: 1rem;
    color: var(--color-gray);
    line-height: 1.8;
    margin-bottom: 30px;
    font-weight: 300;
}

.success-reference {
    font-size: 0.875rem;
    color: var(--color-gray);
    padding: 15px 25px;
    border: 1px solid #f0f0f0;
    background: #fafafa;
    display: inline-block;
    letter-spacing: 0.02em;
}

.success-reference span {
    color: var(--color-gold);
    font-weight: 600;
    margin-left: 8px;
}

/* 타이핑 인디케이터 */
.typing-indicator {
    display: flex;
    gap: 6px;
    padding: 18px 0;
}

.typing-indicator span {
    width: 6px;
    height: 6px;
    background: var(--color-gray);
    border-radius: 50%;
    animation: typingBounce 1.4s infinite ease-in-out;
}

.typing-indicator span:nth-child(1) {
    animation-delay: 0s;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typingBounce {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.4;
    }
    30% {
        transform: translateY(-8px);
        opacity: 1;
    }
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .process-section,
    .inquiry-section {
        padding: 80px 20px;
    }
    
    .process-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .process-card {
        padding: 40px 30px;
    }
    
    .form-messages {
        padding: 30px 25px;
        min-height: 400px;
    }
    
    .form-input-wrapper {
        padding: 25px;
    }
    
    .form-progress {
        padding: 25px;
    }
    
    .success-content {
        padding: 60px 40px;
    }
    
    .message-text {
        font-size: 0.9375rem;
    }
}

@media (max-width: 480px) {
    .hero-section {
        min-height: 60vh;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-header {
        margin-bottom: 50px;
    }
    
    .quick-options {
        gap: 8px;
    }
    
    .quick-option-btn {
        padding: 10px 18px;
        font-size: 0.875rem;
    }
}

/* 프린트 스타일 */
@media print {
    .hero-section,
    .form-input-wrapper,
    .form-progress {
        display: none;
    }
}