/* ========================================
   MZ세대 감성 웹명함 스타일 v2.0
   - 모바일 & 데스크탑 완벽 반응형
   - 그라데이션, 글래스모피즘, 다크모드
   - 부드러운 애니메이션
   ======================================== */

/* 커스텀 속성 (디자인 토큰) */
:root {
    /* MZ 감성 컬러 팔레트 */
    --primary: #667eea;
    --primary-light: #818cf8;
    --secondary: #a855f7;
    --accent: #06b6d4;
    --pink: #ec4899;

    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --rainbow-gradient: linear-gradient(135deg, #667eea, #764ba2, #f093fb, #f5576c);
    --dark-gradient: linear-gradient(180deg, #0a0a1a 0%, #111128 50%, #0f172a 100%);

    --bg-dark: #0a0a1a;
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.08);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.75);
    --text-muted: rgba(255, 255, 255, 0.5);

    /* 글래스모피즘 효과 */
    --glass-bg: rgba(255, 255, 255, 0.06);
    --glass-border: rgba(255, 255, 255, 0.12);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);

    /* 타이포그래피 */
    --font-main: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;

    /* 간격 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* 반응형 카드 너비 */
    --card-width-mobile: 100%;
    --card-width-tablet: 500px;
    --card-width-desktop: 600px;
}

/* 리셋 및 기본 스타일 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-main);
    background: var(--dark-gradient);
    min-height: 100vh;
    min-height: 100dvh;
    /* 모바일 동적 뷰포트 */
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    color: var(--text-primary);
    overflow-x: hidden;
}

/* ========================================
   배경 애니메이션 (Floating Blobs)
   ======================================== */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
    animation: float 25s infinite ease-in-out;
}

.blob-1 {
    width: 50vw;
    max-width: 500px;
    height: 50vw;
    max-height: 500px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    top: -10%;
    left: -10%;
    animation-delay: 0s;
}

.blob-2 {
    width: 40vw;
    max-width: 400px;
    height: 40vw;
    max-height: 400px;
    background: linear-gradient(135deg, #f093fb, #f5576c);
    bottom: -5%;
    right: -10%;
    animation-delay: -8s;
}

.blob-3 {
    width: 35vw;
    max-width: 350px;
    height: 35vw;
    max-height: 350px;
    background: linear-gradient(135deg, #4facfe, #00f2fe);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -16s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    25% {
        transform: translate(30px, -30px) scale(1.1);
    }

    50% {
        transform: translate(-20px, 20px) scale(0.95);
    }

    75% {
        transform: translate(20px, 30px) scale(1.05);
    }
}

/* ========================================
   카드 컨테이너
   ======================================== */
.card-container {
    width: 100%;
    max-width: var(--card-width-mobile);
    perspective: 1000px;
    padding: var(--spacing-xs);
}

.card {
    background: var(--glass-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    border-radius: 32px;
    padding: var(--spacing-lg);
    box-shadow:
        var(--glass-shadow),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    animation: cardEnter 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    opacity: 0;
    transform: translateY(30px);
}

@keyframes cardEnter {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   프로필 섹션
   ======================================== */
.profile-section {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.avatar-ring {
    display: inline-block;
    padding: 5px;
    background: var(--primary-gradient);
    border-radius: 50%;
    margin-bottom: var(--spacing-lg);
    animation: pulse 3s infinite ease-in-out;
    box-shadow: 0 0 30px rgba(102, 126, 234, 0.4);
}

@keyframes pulse {

    0%,
    100% {
        box-shadow: 0 0 30px rgba(102, 126, 234, 0.4);
    }

    50% {
        box-shadow: 0 0 50px rgba(102, 126, 234, 0.6);
    }
}

.avatar {
    width: 90px;
    height: 90px;
    background: var(--bg-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 800;
}

.avatar-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.name-tag {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.role-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.15), rgba(168, 85, 247, 0.15));
    border: 1px solid rgba(102, 126, 234, 0.3);
    padding: 8px 18px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--primary-light);
    margin: 0 auto var(--spacing-sm);
    letter-spacing: 0.02em;
}

.name {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #fff 0%, rgba(255, 255, 255, 0.85) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.company {
    font-size: 0.95rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.slogan {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 400;
    margin-top: 4px;
}

/* ========================================
   관심 분야 태그
   ======================================== */
.interests {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: var(--spacing-xl);
}

.tag {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 10px 18px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: default;
}

.tag:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2), rgba(168, 85, 247, 0.2));
    border-color: var(--primary);
    color: var(--text-primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.2);
}

/* ========================================
   프로그램 서비스
   ======================================== */
.services {
    margin-bottom: var(--spacing-xl);
}

.section-title {
    text-align: center;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.service-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: var(--spacing-md) var(--spacing-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.service-card:hover {
    border-color: rgba(102, 126, 234, 0.5);
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(102, 126, 234, 0.25);
}

.service-card:hover::before {
    opacity: 0.1;
}

.service-icon {
    font-size: 1.6rem;
    position: relative;
    z-index: 1;
}

.service-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    position: relative;
    z-index: 1;
}

/* ========================================
   연락처 버튼 - 모바일 2x2 그리드
   ======================================== */
.contact-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: var(--spacing-lg);
}

.contact-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: var(--spacing-md);
    min-height: 85px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.contact-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.contact-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

.contact-btn.phone::before {
    background: linear-gradient(135deg, #22c55e, #16a34a);
}

.contact-btn.phone:hover {
    border-color: #22c55e;
}

.contact-btn.phone:hover::before {
    opacity: 0.2;
}

.contact-btn.email::before {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.contact-btn.email:hover {
    border-color: #f59e0b;
}

.contact-btn.email:hover::before {
    opacity: 0.2;
}

.contact-btn.instagram::before {
    background: linear-gradient(135deg, #ec4899, #a855f7);
}

.contact-btn.instagram:hover {
    border-color: #ec4899;
}

.contact-btn.instagram:hover::before {
    opacity: 0.2;
}

.contact-btn.youtube::before {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}

.contact-btn.youtube:hover {
    border-color: #ef4444;
}

.contact-btn.youtube:hover::before {
    opacity: 0.2;
}

.btn-icon {
    font-size: 1.8rem;
    position: relative;
    z-index: 1;
}

.btn-text {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    position: relative;
    z-index: 1;
}

/* ========================================
   위치 정보
   ======================================== */
.location {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    margin-bottom: var(--spacing-lg);
}

.location-icon {
    font-size: 1.2rem;
}

.location-text {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* ========================================
   연락처 저장 버튼
   ======================================== */
.save-contact-btn {
    width: 100%;
    padding: 18px var(--spacing-xl);
    background: var(--primary-gradient);
    border: none;
    border-radius: 16px;
    color: white;
    font-family: var(--font-main);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 25px rgba(102, 126, 234, 0.4);
    position: relative;
    overflow: hidden;
}

.save-contact-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.save-contact-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 35px rgba(102, 126, 234, 0.5);
}

.save-contact-btn:hover::before {
    opacity: 1;
}

.save-contact-btn:active {
    transform: translateY(-1px);
}

.save-contact-btn span {
    position: relative;
    z-index: 1;
}

/* ========================================
   푸터
   ======================================== */
.card-footer {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.card-footer p {
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

/* ========================================
   반응형 디자인 - 태블릿 (min-width: 480px)
   ======================================== */
@media (min-width: 480px) {
    body {
        padding: var(--spacing-lg);
    }

    .card-container {
        max-width: var(--card-width-tablet);
    }

    .card {
        padding: var(--spacing-xl);
        border-radius: 36px;
    }

    .avatar {
        width: 110px;
        height: 110px;
        font-size: 2.2rem;
    }

    .name {
        font-size: 2rem;
    }

    .slogan {
        font-size: 1.1rem;
    }

    .tag {
        padding: 12px 22px;
        font-size: 0.9rem;
    }

    .service-grid {
        gap: 16px;
    }

    .service-card {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .service-icon {
        font-size: 2rem;
    }

    .service-name {
        font-size: 0.95rem;
    }

    .contact-buttons {
        gap: 16px;
    }

    .contact-btn {
        min-height: 100px;
        padding: var(--spacing-lg);
    }

    .btn-icon {
        font-size: 2.2rem;
    }

    .btn-text {
        font-size: 0.9rem;
    }
}

/* ========================================
   반응형 디자인 - 데스크탑 (min-width: 768px)
   ======================================== */
@media (min-width: 768px) {
    body {
        padding: var(--spacing-xl);
    }

    .card-container {
        max-width: var(--card-width-desktop);
    }

    .card {
        padding: var(--spacing-2xl);
        border-radius: 40px;
    }

    .profile-section {
        margin-bottom: var(--spacing-2xl);
    }

    .avatar-ring {
        padding: 6px;
    }

    .avatar {
        width: 130px;
        height: 130px;
        font-size: 2.8rem;
    }

    .role-badge {
        font-size: 0.9rem;
        padding: 10px 24px;
    }

    .name {
        font-size: 2.4rem;
    }

    .company {
        font-size: 1.1rem;
    }

    .slogan {
        font-size: 1.2rem;
        margin-top: 8px;
    }

    .interests {
        gap: 14px;
        margin-bottom: var(--spacing-2xl);
    }

    .tag {
        padding: 14px 26px;
        font-size: 1rem;
    }

    .services {
        margin-bottom: var(--spacing-2xl);
    }

    .section-title {
        font-size: 0.95rem;
        margin-bottom: var(--spacing-lg);
    }

    /* 데스크탑: 프로그램 4열 그리드 */
    .service-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
    }

    .service-card {
        padding: var(--spacing-lg);
        border-radius: 24px;
    }

    .service-icon {
        font-size: 2.2rem;
    }

    .service-name {
        font-size: 1rem;
    }

    /* 데스크탑: 연락처 버튼 4열 그리드 */
    .contact-buttons {
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
        margin-bottom: var(--spacing-xl);
    }

    .contact-btn {
        min-height: 110px;
        border-radius: 24px;
    }

    .btn-icon {
        font-size: 2.4rem;
    }

    .btn-text {
        font-size: 0.95rem;
    }

    .location {
        padding: var(--spacing-lg) var(--spacing-xl);
        border-radius: 20px;
        margin-bottom: var(--spacing-xl);
    }

    .location-icon {
        font-size: 1.4rem;
    }

    .location-text {
        font-size: 1rem;
    }

    .save-contact-btn {
        padding: 20px var(--spacing-2xl);
        font-size: 1.1rem;
        border-radius: 20px;
    }

    .card-footer {
        margin-top: var(--spacing-2xl);
    }

    .card-footer p {
        font-size: 0.85rem;
    }
}

/* ========================================
   반응형 디자인 - 대형 데스크탑 (min-width: 1024px)
   ======================================== */
@media (min-width: 1024px) {
    :root {
        --card-width-desktop: 680px;
    }

    .card {
        padding: var(--spacing-2xl) 3rem;
    }

    .name {
        font-size: 2.6rem;
    }
}

/* ========================================
   작은 모바일 (max-width: 360px)
   ======================================== */
@media (max-width: 360px) {
    body {
        padding: 12px;
    }

    .card {
        padding: var(--spacing-md);
        border-radius: 24px;
    }

    .avatar {
        width: 80px;
        height: 80px;
        font-size: 1.6rem;
    }

    .name {
        font-size: 1.4rem;
    }

    .tag {
        padding: 8px 14px;
        font-size: 0.8rem;
    }

    .service-grid {
        gap: 10px;
    }

    .service-card {
        padding: var(--spacing-sm);
    }

    .service-icon {
        font-size: 1.4rem;
    }

    .service-name {
        font-size: 0.8rem;
    }

    .contact-btn {
        min-height: 75px;
        padding: var(--spacing-sm);
    }

    .btn-icon {
        font-size: 1.5rem;
    }

    .btn-text {
        font-size: 0.75rem;
    }
}

/* 다크모드 선호 사용자를 위한 추가 조정 */
@media (prefers-color-scheme: light) {
    /* 기본적으로 다크모드이지만, 원한다면 라이트모드 추가 가능 */
}

/* 접근성: 모션 감소 선호 */
@media (prefers-reduced-motion: reduce) {
    .blob {
        animation: none;
    }

    .avatar-ring {
        animation: none;
    }

    .card {
        animation: none;
        opacity: 1;
        transform: none;
    }

    .tag:hover,
    .service-card:hover,
    .contact-btn:hover,
    .save-contact-btn:hover {
        transform: none;
    }
}