/* =============================================
   공감각 디자인 스튜디오 - 소개 페이지 스타일
   Arctic Blue & Luxury Gold Theme
   ============================================= */

/* ===== Designer Introduction ===== */
.intro-grid {
    display: grid;
    grid-template-columns: 420px 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.intro-image {
    position: relative;
}

.image-frame {
    padding: var(--space-lg);
    position: relative;
    z-index: 2;
}

.profile-image {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
    object-position: center top;
    border-radius: var(--radius-xl);
    display: block;
    box-shadow: var(--shadow-xl);
}

.profile-placeholder {
    aspect-ratio: 3/4;
    background: linear-gradient(135deg, var(--arctic-50) 0%, var(--gold-50) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    color: var(--text-muted);
    border: 2px dashed var(--arctic-300);
    position: relative;
    overflow: hidden;
}

.profile-placeholder::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 30% 30%, rgba(14, 165, 233, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(245, 158, 11, 0.08) 0%, transparent 50%);
}

.profile-placeholder i {
    font-size: 5rem;
    background: var(--gradient-arctic);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 1;
}

.profile-placeholder span {
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    z-index: 1;
}

.image-decoration {
    position: absolute;
    top: 20px;
    left: 20px;
    right: -20px;
    bottom: -20px;
    background: var(--gradient-luxury);
    border-radius: var(--radius-xl);
    opacity: 0.2;
    z-index: 1;
}

.intro-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, var(--arctic-50) 100%);
    border: 1px solid var(--arctic-200);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    color: var(--primary);
    margin-bottom: var(--space-lg);
    box-shadow: var(--shadow-md);
    font-weight: 600;
    backdrop-filter: blur(10px);
}

.intro-badge i {
    color: var(--secondary);
}

.intro-content h2 {
    margin-bottom: var(--space-lg);
    font-size: 2.75rem;
}

.intro-lead {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.intro-content > p {
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: var(--space-sm);
    font-size: 1.05rem;
}

.intro-info {
    margin-top: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.info-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--navy-200);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-smooth);
}

.info-item:hover {
    border-color: var(--arctic-300);
    transform: translateX(8px);
    box-shadow: var(--shadow-lg);
}

.info-item i {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-arctic);
    border-radius: var(--radius-md);
    color: white;
    font-size: 1.1rem;
    box-shadow: var(--shadow-arctic);
}

.info-item:nth-child(even) i {
    background: var(--gradient-gold);
    box-shadow: var(--shadow-gold);
}

.info-item strong {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 2px;
}

.info-item span {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1rem;
}

/* ===== Philosophy Section ===== */
.philosophy-section {
    background: linear-gradient(180deg, var(--arctic-50) 0%, var(--bg-primary) 100%);
    position: relative;
}

.philosophy-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--arctic-300), transparent);
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.philosophy-card {
    padding: var(--space-xl);
    position: relative;
    overflow: hidden;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--navy-200);
    transition: all var(--transition-smooth);
}

.philosophy-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-arctic);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.philosophy-card:hover::before {
    opacity: 1;
}

.philosophy-card:nth-child(even)::before {
    background: var(--gradient-gold);
}

.philosophy-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--arctic-200);
}

.philosophy-card:nth-child(even):hover {
    border-color: var(--gold-200);
}

.philosophy-number {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    font-size: 4rem;
    font-weight: 800;
    background: var(--gradient-arctic);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.2;
    line-height: 1;
}

.philosophy-card:nth-child(even) .philosophy-number {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.philosophy-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.philosophy-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===== Brand Section ===== */
.brand-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.brand-content h2 {
    font-size: 2.75rem;
    margin-bottom: var(--space-lg);
}

.brand-tagline {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    background: var(--gradient-luxury);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand-content > p {
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: var(--space-sm);
    font-size: 1.05rem;
}

.brand-values {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.value-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-lg);
    background: var(--bg-card);
    border: 2px solid var(--navy-200);
    border-radius: var(--radius-xl);
    flex: 1;
    transition: all var(--transition-smooth);
}

.value-item:nth-child(2) {
    border-color: var(--gold-200);
}

.value-item:hover {
    border-color: var(--primary);
    transform: translateY(-6px);
    box-shadow: var(--shadow-arctic);
}

.value-item:nth-child(2):hover {
    border-color: var(--secondary);
    box-shadow: var(--shadow-gold);
}

.value-item i {
    font-size: 1.75rem;
    background: var(--gradient-arctic);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.value-item:nth-child(2) i {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.value-item span {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.brand-visual {
    display: flex;
    justify-content: center;
}

.brand-logo-large {
    width: 350px;
    height: 350px;
    border-radius: var(--radius-2xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: var(--bg-card);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--navy-200);
    position: relative;
    overflow: hidden;
}

.brand-logo-large::before {
    content: '';
    position: absolute;
    inset: -50%;
    background: conic-gradient(from 0deg, var(--arctic-100), var(--gold-100), var(--arctic-100));
    animation: rotateBorder 15s linear infinite;
    opacity: 0.4;
}

.brand-logo-large::after {
    content: '';
    position: absolute;
    inset: 4px;
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--arctic-50) 100%);
    border-radius: calc(var(--radius-2xl) - 4px);
}

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

.logo-char {
    font-size: 6rem;
    font-weight: 800;
    background: var(--gradient-luxury);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    position: relative;
    z-index: 2;
}

.logo-text-large {
    font-size: 1.75rem;
    font-weight: 700;
    margin-top: var(--space-sm);
    color: var(--text-primary);
    position: relative;
    z-index: 2;
}

.logo-sub {
    font-size: 0.85rem;
    color: var(--text-muted);
    letter-spacing: 0.15em;
    margin-top: var(--space-xs);
    position: relative;
    z-index: 2;
    text-transform: uppercase;
}

/* ===== Tools Section ===== */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.tool-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    padding: var(--space-lg);
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--navy-200);
    transition: all var(--transition-smooth);
}

.tool-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--arctic-200);
}

.tool-item:nth-child(even):hover {
    border-color: var(--gold-200);
}

.tool-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-arctic);
    border-radius: var(--radius-lg);
    font-size: 1.5rem;
    color: white;
    box-shadow: var(--shadow-arctic);
}

.tool-item:nth-child(even) .tool-icon {
    background: var(--gradient-gold);
    box-shadow: var(--shadow-gold);
}

.tool-info h4 {
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.tool-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.tool-level {
    height: 6px;
    background: var(--navy-100);
    border-radius: 3px;
    overflow: hidden;
    margin-top: auto;
}

.level-bar {
    height: 100%;
    width: var(--level);
    background: var(--gradient-arctic);
    border-radius: 3px;
    transition: width 1s ease;
}

.tool-item:nth-child(even) .level-bar {
    background: var(--gradient-gold);
}

/* ===== Process Section ===== */
.process-section {
    background: linear-gradient(180deg, var(--arctic-50) 0%, var(--bg-primary) 100%);
    position: relative;
}

.process-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--arctic-300), transparent);
}

.process-timeline {
    position: relative;
    padding-left: 60px;
    max-width: 800px;
    margin: 0 auto;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 24px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--arctic-300) 0%, var(--gold-300) 100%);
}

.process-step {
    position: relative;
    margin-bottom: var(--space-xl);
}

.process-step:last-child {
    margin-bottom: 0;
}

.step-marker {
    position: absolute;
    left: -60px;
    top: 0;
    width: 48px;
    height: 48px;
    background: var(--gradient-arctic);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    box-shadow: var(--shadow-arctic);
}

.process-step:nth-child(even) .step-marker {
    background: var(--gradient-gold);
    box-shadow: var(--shadow-gold);
}

.step-marker span {
    font-weight: 700;
    font-size: 1.1rem;
    color: white;
}

.step-content {
    padding: var(--space-xl);
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--navy-200);
    transition: all var(--transition-smooth);
}

.step-content:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-xl);
}

.process-step:nth-child(odd) .step-content:hover {
    border-color: var(--arctic-200);
}

.process-step:nth-child(even) .step-content:hover {
    border-color: var(--gold-200);
}

.step-content h3 {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.35rem;
    margin-bottom: var(--space-md);
}

.step-content h3 i {
    color: var(--primary);
}

.process-step:nth-child(even) .step-content h3 i {
    color: var(--secondary);
}

.step-content > p {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    line-height: 1.8;
}

.step-content ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.step-content li {
    padding: 8px 16px;
    background: var(--arctic-50);
    border: 1px solid var(--arctic-200);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.process-step:nth-child(even) .step-content li {
    background: var(--gold-50);
    border-color: var(--gold-200);
}

/* ===== CTA Section ===== */
.cta-section {
    padding: var(--space-2xl) 0;
    background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-950) 100%);
    position: relative;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--arctic-500), var(--gold-400), transparent);
}

.cta-box {
    padding: var(--space-2xl) var(--space-3xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2xl);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-2xl);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

.cta-content h2 {
    margin-bottom: var(--space-sm);
    color: var(--text-light);
    font-size: 1.75rem;
}

.cta-content p {
    color: var(--navy-300);
    font-size: 1.05rem;
}

.cta-buttons {
    display: flex;
    gap: var(--space-sm);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .intro-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-2xl);
    }
    
    .intro-image {
        max-width: 380px;
        margin: 0 auto;
    }
    
    .intro-info {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .info-item {
        flex: 1;
        min-width: 220px;
    }

    .info-item:hover {
        transform: translateY(-4px);
    }
    
    .brand-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-2xl);
    }
    
    .brand-visual {
        order: -1;
    }
    
    .brand-values {
        justify-content: center;
    }
    
    .cta-box {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .philosophy-grid {
        grid-template-columns: 1fr;
    }
    
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-timeline {
        padding-left: 50px;
    }
    
    .process-timeline::before {
        left: 18px;
    }
    
    .step-marker {
        left: -50px;
        width: 40px;
        height: 40px;
    }
    
    .step-marker span {
        font-size: 0.95rem;
    }
    
    .brand-values {
        flex-wrap: wrap;
    }
    
    .value-item {
        min-width: calc(50% - var(--space-sm));
    }
    
    .brand-logo-large {
        width: 280px;
        height: 280px;
    }
    
    .logo-char {
        font-size: 4.5rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .intro-content h2 {
        font-size: 2rem;
    }
    
    .info-item {
        min-width: 100%;
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
    }
    
    .value-item {
        min-width: 100%;
    }
    
    .brand-logo-large {
        width: 240px;
        height: 240px;
    }
    
    .logo-char {
        font-size: 3.5rem;
    }
}